315344507 has 2 divisors, whose sum is σ = 315344508. Its totient is φ = 315344506.

The previous prime is 315344503. The next prime is 315344581. The reversal of 315344507 is 705443513.

It is a weak prime.

It is an emirp because it is prime and its reverse (705443513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315344507 - 2² = 315344503 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315344503) 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, 157672253 + 157672254.

It is an arithmetic number, because the mean of its divisors is an integer number (157672254).

Almost surely, 2^315344507 is an apocalyptic number.

315344507 is a deficient number, since it is larger than the sum of its proper divisors (1).

315344507 is an equidigital number, since it uses as much as digits as its factorization.

315344507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 315344507 is about 17757.9420823473. The cubic root of 315344507 is about 680.6571696205.

The spelling of 315344507 in words is "three hundred fifteen million, three hundred forty-four thousand, five hundred seven".