315150313 has 4 divisors (see below), whose sum is σ = 322836948. Its totient is φ = 307463680.

The previous prime is 315150307. The next prime is 315150331. The reversal of 315150313 is 313051513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 155077209 + 160073104 = 12453^2 + 12652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315150313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315150343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3843256 + ... + 3843337.

It is an arithmetic number, because the mean of its divisors is an integer number (80709237).

Almost surely, 2^315150313 is an apocalyptic number.

It is an amenable number.

315150313 is a deficient number, since it is larger than the sum of its proper divisors (7686635).

315150313 is an equidigital number, since it uses as much as digits as its factorization.

315150313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7686634.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 315150313 is about 17752.4734332994. The cubic root of 315150313 is about 680.5174212104.

The spelling of 315150313 in words is "three hundred fifteen million, one hundred fifty thousand, three hundred thirteen".