315257011 has 6 divisors (see below), whose sum is σ = 325755636. Its totient is φ = 305086500.

The previous prime is 315256979. The next prime is 315257029. The reversal of 315257011 is 110752513.

It is not a de Polignac number, because 315257011 - 2⁵ = 315256979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315257051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163065 + ... + 164986.

It is an arithmetic number, because the mean of its divisors is an integer number (54292606).

Almost surely, 2^315257011 is an apocalyptic number.

315257011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

315257011 is a deficient number, since it is larger than the sum of its proper divisors (10498625).

315257011 is an equidigital number, since it uses as much as digits as its factorization.

315257011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328113 (or 328082 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 315257011 is about 17755.4783376850. The cubic root of 315257011 is about 680.5942117154.

The spelling of 315257011 in words is "three hundred fifteen million, two hundred fifty-seven thousand, eleven".