231812944 has 20 divisors (see below), whose sum is σ = 489968640. Its totient is φ = 105369440.

The previous prime is 231812927. The next prime is 231813011. The reversal of 231812944 is 449218132.

231812944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658384 + ... + 658735.

It is an arithmetic number, because the mean of its divisors is an integer number (24498432).

Almost surely, 2^231812944 is an apocalyptic number.

It is an amenable number.

231812944 is an abundant number, since it is smaller than the sum of its proper divisors (258155696).

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

231812944 is a wasteful number, since it uses less digits than its factorization.

231812944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317138 (or 1317132 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 231812944 is about 15225.4045594854. The cubic root of 231812944 is about 614.2981784074.

The spelling of 231812944 in words is "two hundred thirty-one million, eight hundred twelve thousand, nine hundred forty-four".