312031313319 has 32 divisors (see below), whose sum is σ = 479120544000. Its totient is φ = 178643266560.

The previous prime is 312031313303. The next prime is 312031313323. The reversal of 312031313319 is 913313130213.

It is not a de Polignac number, because 312031313319 - 2⁴ = 312031313303 is a prime.

It is a super-2 number, since 2×312031313319² (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 (312021313319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494154 + ... + 931799.

It is an arithmetic number, because the mean of its divisors is an integer number (14972517000).

Almost surely, 2^312031313319 is an apocalyptic number.

312031313319 is a deficient number, since it is larger than the sum of its proper divisors (167089230681).

312031313319 is a wasteful number, since it uses less digits than its factorization.

312031313319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426335.

The product of its (nonzero) digits is 4374, while the sum is 30.

The spelling of 312031313319 in words is "three hundred twelve billion, thirty-one million, three hundred thirteen thousand, three hundred nineteen".