319121164 has 12 divisors (see below), whose sum is σ = 570344544. Its totient is φ = 156165584.

The previous prime is 319121111. The next prime is 319121177. The reversal of 319121164 is 461121913.

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, 848539 + ... + 848914.

It is an arithmetic number, because the mean of its divisors is an integer number (47528712).

Almost surely, 2^319121164 is an apocalyptic number.

It is an amenable number.

319121164 is a deficient number, since it is larger than the sum of its proper divisors (251223380).

319121164 is a wasteful number, since it uses less digits than its factorization.

319121164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697504 (or 1697502 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 319121164 is about 17863.9627182773. The cubic root of 319121164 is about 683.3636427299.

The spelling of 319121164 in words is "three hundred nineteen million, one hundred twenty-one thousand, one hundred sixty-four".