319320940 has 12 divisors (see below), whose sum is σ = 670574016. Its totient is φ = 127728368.

The previous prime is 319320929. The next prime is 319320959. The reversal of 319320940 is 49023913.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7983004 + ... + 7983043.

It is an arithmetic number, because the mean of its divisors is an integer number (55881168).

Almost surely, 2^319320940 is an apocalyptic number.

It is an amenable number.

319320940 is an abundant number, since it is smaller than the sum of its proper divisors (351253076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

319320940 is a wasteful number, since it uses less digits than its factorization.

319320940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15966056 (or 15966054 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 319320940 is about 17869.5534359424. The cubic root of 319320940 is about 683.5062125878.

The spelling of 319320940 in words is "three hundred nineteen million, three hundred twenty thousand, nine hundred forty".