231064056 has 32 divisors (see below), whose sum is σ = 641845200. Its totient is φ = 77021280.

The previous prime is 231064037. The next prime is 231064061. The reversal of 231064056 is 650460132.

231064056 is a `hidden beast` number, since 2 + 3 + 10 + 640 + 5 + 6 = 666.

It is a super-2 number, since 2×231064056² = 106781195950342272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 534655 + ... + 535086.

Almost surely, 2^231064056 is an apocalyptic number.

It is an amenable number.

231064056 is an abundant number, since it is smaller than the sum of its proper divisors (410781144).

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

231064056 is a wasteful number, since it uses less digits than its factorization.

231064056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069756 (or 1069746 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 231064056 is about 15200.7912951925. The cubic root of 231064056 is about 613.6359536338.

It can be divided in two parts, 2310 and 64056, that added together give a palindrome (66366).

The spelling of 231064056 in words is "two hundred thirty-one million, sixty-four thousand, fifty-six".