631312506875 has 10 divisors (see below), whose sum is σ = 788888109372. Its totient is φ = 505050005000.

The previous prime is 631312506863. The next prime is 631312506961. The reversal of 631312506875 is 578605213136.

It is not a de Polignac number, because 631312506875 - 2²² = 631308312571 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 505049381 + ... + 505050630.

Almost surely, 2^631312506875 is an apocalyptic number.

631312506875 is a deficient number, since it is larger than the sum of its proper divisors (157575602497).

631312506875 is an equidigital number, since it uses as much as digits as its factorization.

631312506875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010100031 (or 1010100016 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 631312506875 in words is "six hundred thirty-one billion, three hundred twelve million, five hundred six thousand, eight hundred seventy-five".