231361456 has 20 divisors (see below), whose sum is σ = 449476192. Its totient is φ = 115367616.

The previous prime is 231361453. The next prime is 231361477. The reversal of 231361456 is 654163132.

231361456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231361451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13416 + ... + 25351.

Almost surely, 2^231361456 is an apocalyptic number.

It is an amenable number.

231361456 is a deficient number, since it is larger than the sum of its proper divisors (218114736).

231361456 is a wasteful number, since it uses less digits than its factorization.

231361456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39148 (or 39142 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 231361456 is about 15210.5705349931. The cubic root of 231361456 is about 613.8991087892.

The spelling of 231361456 in words is "two hundred thirty-one million, three hundred sixty-one thousand, four hundred fifty-six".