231626256 has 40 divisors (see below), whose sum is σ = 599098560. Its totient is φ = 77114496.

The previous prime is 231626233. The next prime is 231626257. The reversal of 231626256 is 652626132.

It is not an unprimeable number, because it can be changed into a prime (231626257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44730 + ... + 49638.

It is an arithmetic number, because the mean of its divisors is an integer number (14977464).

Almost surely, 2^231626256 is an apocalyptic number.

It is an amenable number.

231626256 is an abundant number, since it is smaller than the sum of its proper divisors (367472304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231626256 is a wasteful number, since it uses less digits than its factorization.

231626256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903 (or 5897 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 231626256 is about 15219.2725187507. The cubic root of 231626256 is about 614.1332280295.

The spelling of 231626256 in words is "two hundred thirty-one million, six hundred twenty-six thousand, two hundred fifty-six".