231496872 has 32 divisors (see below), whose sum is σ = 580894080. Its totient is φ = 76878720.

The previous prime is 231496841. The next prime is 231496883. The reversal of 231496872 is 278694132.

231496872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11293 + ... + 24300.

It is an arithmetic number, because the mean of its divisors is an integer number (18152940).

Almost surely, 2^231496872 is an apocalyptic number.

It is an amenable number.

231496872 is an abundant number, since it is smaller than the sum of its proper divisors (349397208).

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

231496872 is a wasteful number, since it uses less digits than its factorization.

231496872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35873 (or 35869 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 231496872 is about 15215.0212618977. The cubic root of 231496872 is about 614.0188572690.

The spelling of 231496872 in words is "two hundred thirty-one million, four hundred ninety-six thousand, eight hundred seventy-two".