231182056 has 16 divisors (see below), whose sum is σ = 495390240. Its totient is φ = 99078000.

The previous prime is 231182053. The next prime is 231182059. The reversal of 231182056 is 650281132.

It is an interprime number because it is at equal distance from previous prime (231182053) and next prime (231182059).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (231182053) 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, 2064070 + ... + 2064181.

It is an arithmetic number, because the mean of its divisors is an integer number (30961890).

Almost surely, 2^231182056 is an apocalyptic number.

It is an amenable number.

231182056 is an abundant number, since it is smaller than the sum of its proper divisors (264208184).

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

231182056 is a wasteful number, since it uses less digits than its factorization.

231182056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128264 (or 4128260 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 231182056 is about 15204.6721766699. The cubic root of 231182056 is about 613.7403932444.

The spelling of 231182056 in words is "two hundred thirty-one million, one hundred eighty-two thousand, fifty-six".