319314021568 has 28 divisors (see below), whose sum is σ = 634218624880. Its totient is φ = 159510903552.

The previous prime is 319314021473. The next prime is 319314021571. The reversal of 319314021568 is 865120413913.

It is a super-2 number, since 2×319314021568² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212428 + ... + 2352331.

Almost surely, 2^319314021568 is an apocalyptic number.

It is an amenable number.

319314021568 is a deficient number, since it is larger than the sum of its proper divisors (314904603312).

319314021568 is a wasteful number, since it uses less digits than its factorization.

319314021568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565864 (or 4565854 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 319314021568 in words is "three hundred nineteen billion, three hundred fourteen million, twenty-one thousand, five hundred sixty-eight".