315063313 has 2 divisors, whose sum is σ = 315063314. Its totient is φ = 315063312.

The previous prime is 315063271. The next prime is 315063317. The reversal of 315063313 is 313360513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289782529 + 25280784 = 17023^2 + 5028^2 .

It is a cyclic number.

It is not a de Polignac number, because 315063313 - 2⁹ = 315062801 is a prime.

It is not a weakly prime, because it can be changed into another prime (315063317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157531656 + 157531657.

It is an arithmetic number, because the mean of its divisors is an integer number (157531657).

Almost surely, 2^315063313 is an apocalyptic number.

It is an amenable number.

315063313 is a deficient number, since it is larger than the sum of its proper divisors (1).

315063313 is an equidigital number, since it uses as much as digits as its factorization.

315063313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 315063313 is about 17750.0229013937. The cubic root of 315063313 is about 680.4547945187.

The spelling of 315063313 in words is "three hundred fifteen million, sixty-three thousand, three hundred thirteen".