319468319 has 4 divisors (see below), whose sum is σ = 321141120. Its totient is φ = 317795520.

The previous prime is 319468313. The next prime is 319468339. The reversal of 319468319 is 913864913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913864913 = 13 ⋅70297301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319468319 is a prime.

It is a super-2 number, since 2×319468319² = 204120013689371522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 319468319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319468313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836114 + ... + 836495.

It is an arithmetic number, because the mean of its divisors is an integer number (80285280).

Almost surely, 2^319468319 is an apocalyptic number.

319468319 is a deficient number, since it is larger than the sum of its proper divisors (1672801).

319468319 is a wasteful number, since it uses less digits than its factorization.

319468319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672800.

The product of its digits is 139968, while the sum is 44.

The square root of 319468319 is about 17873.6767062628. The cubic root of 319468319 is about 683.6113512908.

The spelling of 319468319 in words is "three hundred nineteen million, four hundred sixty-eight thousand, three hundred nineteen".