231862152 has 32 divisors (see below), whose sum is σ = 585079200. Its totient is φ = 76564224.

The previous prime is 231862151. The next prime is 231862199. The reversal of 231862152 is 251268132.

It is a super-2 number, since 2×231862152² = 107520115060142208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231862151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42577 + ... + 47712.

It is an arithmetic number, because the mean of its divisors is an integer number (18283725).

Almost surely, 2^231862152 is an apocalyptic number.

It is an amenable number.

231862152 is an abundant number, since it is smaller than the sum of its proper divisors (353217048).

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

231862152 is a wasteful number, since it uses less digits than its factorization.

231862152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90405 (or 90401 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 231862152 is about 15227.0204570691. The cubic root of 231862152 is about 614.3416419655.

The spelling of 231862152 in words is "two hundred thirty-one million, eight hundred sixty-two thousand, one hundred fifty-two".