231303125858 has 64 divisors (see below), whose sum is σ = 426563850240. Its totient is φ = 91905181632.

The previous prime is 231303125857. The next prime is 231303125863. The reversal of 231303125858 is 858521303132.

It is a super-2 number, since 2×231303125858² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231303125857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3096473 + ... + 3170291.

It is an arithmetic number, because the mean of its divisors is an integer number (6665060160).

Almost surely, 2^231303125858 is an apocalyptic number.

231303125858 is a deficient number, since it is larger than the sum of its proper divisors (195260724382).

231303125858 is a wasteful number, since it uses less digits than its factorization.

231303125858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74151.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 231303125858 in words is "two hundred thirty-one billion, three hundred three million, one hundred twenty-five thousand, eight hundred fifty-eight".