231125490 has 24 divisors (see below), whose sum is σ = 600926508. Its totient is φ = 61633440.

The previous prime is 231125483. The next prime is 231125533. The reversal of 231125490 is 94521132.

231125490 is a `hidden beast` number, since 2 + 3 + 112 + 549 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 220255281 + 10870209 = 14841^2 + 3297^2 .

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, 1283941 + ... + 1284120.

Almost surely, 2^231125490 is an apocalyptic number.

231125490 is an abundant number, since it is smaller than the sum of its proper divisors (369801018).

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

231125490 is a wasteful number, since it uses less digits than its factorization.

231125490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568074 (or 2568071 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 231125490 is about 15202.8119109591. The cubic root of 231125490 is about 613.6903321632.

The spelling of 231125490 in words is "two hundred thirty-one million, one hundred twenty-five thousand, four hundred ninety".