318968842 has 8 divisors (see below), whose sum is σ = 478667232. Its totient is φ = 159413100.

The previous prime is 318968813. The next prime is 318968857. The reversal of 318968842 is 248869813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×318968842² = 203482244333641928, which 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, 29884 + ... + 39127.

It is an arithmetic number, because the mean of its divisors is an integer number (59833404).

Almost surely, 2^318968842 is an apocalyptic number.

318968842 is a deficient number, since it is larger than the sum of its proper divisors (159698390).

318968842 is a wasteful number, since it uses less digits than its factorization.

318968842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71324.

The product of its digits is 663552, while the sum is 49.

The square root of 318968842 is about 17859.6988216487. The cubic root of 318968842 is about 683.2548983673.

The spelling of 318968842 in words is "three hundred eighteen million, nine hundred sixty-eight thousand, eight hundred forty-two".