315439339 has 2 divisors, whose sum is σ = 315439340. Its totient is φ = 315439338.

The previous prime is 315439279. The next prime is 315439343. The reversal of 315439339 is 933934513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315439339 - 2⁷ = 315439211 is a prime.

It is not a weakly prime, because it can be changed into another prime (315439039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157719669 + 157719670.

It is an arithmetic number, because the mean of its divisors is an integer number (157719670).

Almost surely, 2^315439339 is an apocalyptic number.

315439339 is a deficient number, since it is larger than the sum of its proper divisors (1).

315439339 is an equidigital number, since it uses as much as digits as its factorization.

315439339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 40.

The square root of 315439339 is about 17760.6120108514. The cubic root of 315439339 is about 680.7253930078.

The spelling of 315439339 in words is "three hundred fifteen million, four hundred thirty-nine thousand, three hundred thirty-nine".