231054628 has 12 divisors (see below), whose sum is σ = 462109312. Its totient is φ = 99023400.

The previous prime is 231054589. The next prime is 231054631. The reversal of 231054628 is 826450132.

231054628 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

231054628 is an admirable number.

It is a super-2 number, since 2×231054628² = 106772482240436768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231054628.

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, 4125948 + ... + 4126003.

Almost surely, 2^231054628 is an apocalyptic number.

231054628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

231054628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231054628 is a wasteful number, since it uses less digits than its factorization.

231054628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251962 (or 8251960 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 231054628 is about 15200.4811765944. The cubic root of 231054628 is about 613.6276075522.

The spelling of 231054628 in words is "two hundred thirty-one million, fifty-four thousand, six hundred twenty-eight".