231656026 has 16 divisors (see below), whose sum is σ = 405230400. Its totient is φ = 99280860.

The previous prime is 231656017. The next prime is 231656039. The reversal of 231656026 is 620656132.

231656026 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231656026² = 107329028764225352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168160 + ... + 169531.

It is an arithmetic number, because the mean of its divisors is an integer number (25326900).

Almost surely, 2^231656026 is an apocalyptic number.

231656026 is a deficient number, since it is larger than the sum of its proper divisors (173574374).

231656026 is an equidigital number, since it uses as much as digits as its factorization.

231656026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337714 (or 337700 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 231656026 is about 15220.2505235624. The cubic root of 231656026 is about 614.1595376015.

The spelling of 231656026 in words is "two hundred thirty-one million, six hundred fifty-six thousand, twenty-six".