231360172 has 6 divisors (see below), whose sum is σ = 404880308. Its totient is φ = 115680084.

The previous prime is 231360163. The next prime is 231360193. The reversal of 231360172 is 271063132.

231360172 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 as a sum of consecutive naturals, namely, 28920018 + ... + 28920025.

Almost surely, 2^231360172 is an apocalyptic number.

It is an amenable number.

231360172 is a deficient number, since it is larger than the sum of its proper divisors (173520136).

231360172 is a wasteful number, since it uses less digits than its factorization.

231360172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57840047 (or 57840045 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 231360172 is about 15210.5283274448. The cubic root of 231360172 is about 613.8979731233.

The spelling of 231360172 in words is "two hundred thirty-one million, three hundred sixty thousand, one hundred seventy-two".