319142939280 has 80 divisors (see below), whose sum is σ = 1079283403584. Its totient is φ = 77367984640.

The previous prime is 319142939179. The next prime is 319142939281. The reversal of 319142939280 is 82939241913.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (319142939281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60441099 + ... + 60446378.

Almost surely, 2^319142939280 is an apocalyptic number.

319142939280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

319142939280 is an abundant number, since it is smaller than the sum of its proper divisors (760140464304).

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

319142939280 is a wasteful number, since it uses less digits than its factorization.

319142939280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120887504 (or 120887498 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 319142939280 in words is "three hundred nineteen billion, one hundred forty-two million, nine hundred thirty-nine thousand, two hundred eighty".