231560032 has 24 divisors (see below), whose sum is σ = 497328552. Its totient is φ = 105254400.

The previous prime is 231560027. The next prime is 231560047. The reversal of 231560032 is 230065132.

231560032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 231559985 and 231560012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328569 + ... + 329272.

It is an arithmetic number, because the mean of its divisors is an integer number (20722023).

Almost surely, 2^231560032 is an apocalyptic number.

231560032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231560032 is an abundant number, since it is smaller than the sum of its proper divisors (265768520).

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

231560032 is a wasteful number, since it uses less digits than its factorization.

231560032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657862 (or 657854 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 231560032 is about 15217.0967007508. The cubic root of 231560032 is about 614.0746937393.

The spelling of 231560032 in words is "two hundred thirty-one million, five hundred sixty thousand, thirty-two".