315313523 has 8 divisors (see below), whose sum is σ = 366466560. Its totient is φ = 265687560.

The previous prime is 315313513. The next prime is 315313529. The reversal of 315313523 is 325313513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315313523 - 2¹⁰ = 315312499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315313492 and 315313501.

It is not an unprimeable number, because it can be changed into a prime (315313529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381323 + ... + 382148.

It is an arithmetic number, because the mean of its divisors is an integer number (45808320).

Almost surely, 2^315313523 is an apocalyptic number.

315313523 is a deficient number, since it is larger than the sum of its proper divisors (51153037).

315313523 is an equidigital number, since it uses as much as digits as its factorization.

315313523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763537.

The product of its digits is 4050, while the sum is 26.

The square root of 315313523 is about 17757.0696625316. The cubic root of 315313523 is about 680.6348763591.

The spelling of 315313523 in words is "three hundred fifteen million, three hundred thirteen thousand, five hundred twenty-three".