319185923231 has 16 divisors (see below), whose sum is σ = 386654135616. Its totient is φ = 257219629056.

The previous prime is 319185923213. The next prime is 319185923249. The reversal of 319185923231 is 132329581913.

It is an interprime number because it is at equal distance from previous prime (319185923213) and next prime (319185923249).

It is a cyclic number.

It is not a de Polignac number, because 319185923231 - 2¹⁸ = 319185661087 is a prime.

It is a super-2 number, since 2×319185923231² (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 (319185923281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319786 + ... + 1542791.

It is an arithmetic number, because the mean of its divisors is an integer number (24165883476).

Almost surely, 2^319185923231 is an apocalyptic number.

319185923231 is a deficient number, since it is larger than the sum of its proper divisors (67468212385).

319185923231 is a wasteful number, since it uses less digits than its factorization.

319185923231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863538.

The product of its digits is 349920, while the sum is 47.

The spelling of 319185923231 in words is "three hundred nineteen billion, one hundred eighty-five million, nine hundred twenty-three thousand, two hundred thirty-one".