319120431 has 16 divisors (see below), whose sum is σ = 488409600. Its totient is φ = 181555488.

The previous prime is 319120427. The next prime is 319120453. The reversal of 319120431 is 134021913.

It is not a de Polignac number, because 319120431 - 2² = 319120427 is a prime.

It is a super-2 number, since 2×319120431² = 203675698963251522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319120411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28371 + ... + 37988.

It is an arithmetic number, because the mean of its divisors is an integer number (30525600).

Almost surely, 2^319120431 is an apocalyptic number.

319120431 is a deficient number, since it is larger than the sum of its proper divisors (169289169).

319120431 is a wasteful number, since it uses less digits than its factorization.

319120431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66598.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 319120431 is about 17863.9422021009. The cubic root of 319120431 is about 683.3631195159.

The spelling of 319120431 in words is "three hundred nineteen million, one hundred twenty thousand, four hundred thirty-one".