316312439 has 2 divisors, whose sum is σ = 316312440. Its totient is φ = 316312438.

The previous prime is 316312379. The next prime is 316312457. The reversal of 316312439 is 934213613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316312439 - 2²⁰ = 315263863 is a prime.

It is a super-2 number, since 2×316312439² = 200107118132257442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316302439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158156219 + 158156220.

It is an arithmetic number, because the mean of its divisors is an integer number (158156220).

Almost surely, 2^316312439 is an apocalyptic number.

316312439 is a deficient number, since it is larger than the sum of its proper divisors (1).

316312439 is an equidigital number, since it uses as much as digits as its factorization.

316312439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 316312439 is about 17785.1746969210. The cubic root of 316312439 is about 681.3528711023.

The spelling of 316312439 in words is "three hundred sixteen million, three hundred twelve thousand, four hundred thirty-nine".