231514992 has 60 divisors (see below), whose sum is σ = 648942840. Its totient is φ = 77049984.

The previous prime is 231514961. The next prime is 231515003. The reversal of 231514992 is 299415132.

231514992 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 (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180658 + ... + 181934.

It is an arithmetic number, because the mean of its divisors is an integer number (10815714).

Almost surely, 2^231514992 is an apocalyptic number.

It is an amenable number.

231514992 is an abundant number, since it is smaller than the sum of its proper divisors (417427848).

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

231514992 is a wasteful number, since it uses less digits than its factorization.

231514992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550 (or 2541 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 231514992 is about 15215.6167144155. The cubic root of 231514992 is about 614.0348772571.

The spelling of 231514992 in words is "two hundred thirty-one million, five hundred fourteen thousand, nine hundred ninety-two".