312437687031 has 12 divisors (see below), whose sum is σ = 462306171600. Its totient is φ = 203211503520.

The previous prime is 312437687027. The next prime is 312437687033. The reversal of 312437687031 is 130786734213.

It is not a de Polignac number, because 312437687031 - 2² = 312437687027 is a prime.

It is a super-2 number, since 2×312437687031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312437687033) 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 11 ways as a sum of consecutive naturals, for example, 423356931 + ... + 423357668.

It is an arithmetic number, because the mean of its divisors is an integer number (38525514300).

Almost surely, 2^312437687031 is an apocalyptic number.

312437687031 is a deficient number, since it is larger than the sum of its proper divisors (149868484569).

312437687031 is a wasteful number, since it uses less digits than its factorization.

312437687031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846714646 (or 846714643 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 312437687031 in words is "three hundred twelve billion, four hundred thirty-seven million, six hundred eighty-seven thousand, thirty-one".