312989706913 has 16 divisors (see below), whose sum is σ = 339607054080. Its totient is φ = 286740342144.

The previous prime is 312989706881. The next prime is 312989706923. The reversal of 312989706913 is 319607989213.

It is a cyclic number.

It is not a de Polignac number, because 312989706913 - 2⁵ = 312989706881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312989706923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420845 + ... + 1626277.

It is an arithmetic number, because the mean of its divisors is an integer number (21225440880).

Almost surely, 2^312989706913 is an apocalyptic number.

It is an amenable number.

312989706913 is a deficient number, since it is larger than the sum of its proper divisors (26617347167).

312989706913 is a wasteful number, since it uses less digits than its factorization.

312989706913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206328.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 312989706913 in words is "three hundred twelve billion, nine hundred eighty-nine million, seven hundred six thousand, nine hundred thirteen".