319312940525 has 6 divisors (see below), whose sum is σ = 395948046282. Its totient is φ = 255450352400.

The previous prime is 319312940519. The next prime is 319312940599. The reversal of 319312940525 is 525049213913.

It can be written as a sum of positive squares in 3 ways, for example, as 49519369 + 319263421156 = 7037^2 + 565034^2 .

It is not a de Polignac number, because 319312940525 - 2²⁰ = 319311891949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6386258786 + ... + 6386258835.

It is an arithmetic number, because the mean of its divisors is an integer number (65991341047).

Almost surely, 2^319312940525 is an apocalyptic number.

It is an amenable number.

319312940525 is a deficient number, since it is larger than the sum of its proper divisors (76635105757).

319312940525 is a wasteful number, since it uses less digits than its factorization.

319312940525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772517631 (or 12772517626 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 319312940525 in words is "three hundred nineteen billion, three hundred twelve million, nine hundred forty thousand, five hundred twenty-five".