231363970 has 8 divisors (see below), whose sum is σ = 416455164. Its totient is φ = 92545584.

The previous prime is 231363953. The next prime is 231363989. The reversal of 231363970 is 79363132.

It can be written as a sum of positive squares in 2 ways, for example, as 210743289 + 20620681 = 14517^2 + 4541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231363970² = 107058573228321800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11568189 + ... + 11568208.

Almost surely, 2^231363970 is an apocalyptic number.

231363970 is a deficient number, since it is larger than the sum of its proper divisors (185091194).

231363970 is a wasteful number, since it uses less digits than its factorization.

231363970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23136404.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 231363970 is about 15210.6531746668. The cubic root of 231363970 is about 613.9013323471.

The spelling of 231363970 in words is "two hundred thirty-one million, three hundred sixty-three thousand, nine hundred seventy".