231996435 has 16 divisors (see below), whose sum is σ = 404939520. Its totient is φ = 112483040.

The previous prime is 231996419. The next prime is 231996451. The reversal of 231996435 is 534699132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231996419) and next prime (231996451).

It is not a de Polignac number, because 231996435 - 2⁴ = 231996419 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702855 + ... + 703184.

It is an arithmetic number, because the mean of its divisors is an integer number (25308720).

Almost surely, 2^231996435 is an apocalyptic number.

231996435 is a deficient number, since it is larger than the sum of its proper divisors (172943085).

231996435 is a wasteful number, since it uses less digits than its factorization.

231996435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406058.

The product of its digits is 174960, while the sum is 42.

The square root of 231996435 is about 15231.4291844200. The cubic root of 231996435 is about 614.4602177620.

The spelling of 231996435 in words is "two hundred thirty-one million, nine hundred ninety-six thousand, four hundred thirty-five".