315320339 has 2 divisors, whose sum is σ = 315320340. Its totient is φ = 315320338.

The previous prime is 315320329. The next prime is 315320347. The reversal of 315320339 is 933023513.

It is a strong prime.

It is an emirp because it is prime and its reverse (933023513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315320339 is a prime.

It is not a weakly prime, because it can be changed into another prime (315320329) 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 as a sum of consecutive naturals, namely, 157660169 + 157660170.

It is an arithmetic number, because the mean of its divisors is an integer number (157660170).

Almost surely, 2^315320339 is an apocalyptic number.

315320339 is a deficient number, since it is larger than the sum of its proper divisors (1).

315320339 is an equidigital number, since it uses as much as digits as its factorization.

315320339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 29.

The square root of 315320339 is about 17757.2615850530. The cubic root of 315320339 is about 680.6397806566.

The spelling of 315320339 in words is "three hundred fifteen million, three hundred twenty thousand, three hundred thirty-nine".