231056156 has 12 divisors (see below), whose sum is σ = 414210720. Its totient is φ = 112710240.

The previous prime is 231056143. The next prime is 231056159. The reversal of 231056156 is 651650132.

231056156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231056159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704276 + ... + 704603.

It is an arithmetic number, because the mean of its divisors is an integer number (34517560).

Almost surely, 2^231056156 is an apocalyptic number.

It is an amenable number.

231056156 is a deficient number, since it is larger than the sum of its proper divisors (183154564).

231056156 is a wasteful number, since it uses less digits than its factorization.

231056156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408924 (or 1408922 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 231056156 is about 15200.5314380781. The cubic root of 231056156 is about 613.6289602206.

The spelling of 231056156 in words is "two hundred thirty-one million, fifty-six thousand, one hundred fifty-six".