312513081326613 has 12 divisors (see below), whose sum is σ = 475166088567040. Its totient is φ = 197376682943016.

The previous prime is 312513081326557. The next prime is 312513081326623. The reversal of 312513081326613 is 316623180315213.

312513081326613 is a `hidden beast` number, since 3 + 1 + 2 + 5 + 1 + 3 + 0 + 8 + 1 + 3 + 26 + 613 = 666.

It is not a de Polignac number, because 312513081326613 - 2²⁵ = 312513047772181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312513081326623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913780939381 + ... + 913780939722.

Almost surely, 2^{312513081326613} is an apocalyptic number.

It is an amenable number.

312513081326613 is a deficient number, since it is larger than the sum of its proper divisors (162653007240427).

312513081326613 is a wasteful number, since it uses less digits than its factorization.

312513081326613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827561879128 (or 1827561879125 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 312513081326613 in words is "three hundred twelve trillion, five hundred thirteen billion, eighty-one million, three hundred twenty-six thousand, six hundred thirteen".