313978881992 has 32 divisors (see below), whose sum is σ = 622523059200. Its totient is φ = 148219766400.

The previous prime is 313978881977. The next prime is 313978882003. The reversal of 313978881992 is 299188879313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15429392 + ... + 15449727.

It is an arithmetic number, because the mean of its divisors is an integer number (19453845600).

Almost surely, 2^313978881992 is an apocalyptic number.

It is an amenable number.

313978881992 is a deficient number, since it is larger than the sum of its proper divisors (308544177208).

313978881992 is a wasteful number, since it uses less digits than its factorization.

313978881992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30879197 (or 30879193 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 68.

The spelling of 313978881992 in words is "three hundred thirteen billion, nine hundred seventy-eight million, eight hundred eighty-one thousand, nine hundred ninety-two".