319438131875 has 20 divisors (see below), whose sum is σ = 405935527800. Its totient is φ = 251219112000.

The previous prime is 319438131841. The next prime is 319438131889. The reversal of 319438131875 is 578131834913.

It is a happy number.

It is not a de Polignac number, because 319438131875 - 2⁶ = 319438131811 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4294490 + ... + 4368239.

It is an arithmetic number, because the mean of its divisors is an integer number (20296776390).

Almost surely, 2^319438131875 is an apocalyptic number.

319438131875 is a deficient number, since it is larger than the sum of its proper divisors (86497395925).

319438131875 is an frugal number, since it uses more digits than its factorization.

319438131875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662808 (or 8662793 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The spelling of 319438131875 in words is "three hundred nineteen billion, four hundred thirty-eight million, one hundred thirty-one thousand, eight hundred seventy-five".