231474172 has 24 divisors (see below), whose sum is σ = 422780400. Its totient is φ = 110750976.

The previous prime is 231474163. The next prime is 231474239. The reversal of 231474172 is 271474132.

It is a congruent number.

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, 4279 + ... + 21937.

It is an arithmetic number, because the mean of its divisors is an integer number (17615850).

Almost surely, 2^231474172 is an apocalyptic number.

It is an amenable number.

231474172 is a deficient number, since it is larger than the sum of its proper divisors (191306228).

231474172 is a wasteful number, since it uses less digits than its factorization.

231474172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17805 (or 17803 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 231474172 is about 15214.2752702848. The cubic root of 231474172 is about 613.9987868990.

The spelling of 231474172 in words is "two hundred thirty-one million, four hundred seventy-four thousand, one hundred seventy-two".