319981314040 has 32 divisors (see below), whose sum is σ = 720973476000. Its totient is φ = 127811988864.

The previous prime is 319981314031. The next prime is 319981314043. The reversal of 319981314040 is 40413189913.

It is a super-2 number, since 2×319981314040² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319981314043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5613060 + ... + 5669779.

It is an arithmetic number, because the mean of its divisors is an integer number (22530421125).

Almost surely, 2^319981314040 is an apocalyptic number.

It is an amenable number.

319981314040 is an abundant number, since it is smaller than the sum of its proper divisors (400992161960).

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

319981314040 is a wasteful number, since it uses less digits than its factorization.

319981314040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283559 (or 11283555 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 319981314040 in words is "three hundred nineteen billion, nine hundred eighty-one million, three hundred fourteen thousand, forty".