1316518315 has 16 divisors (see below), whose sum is σ = 1847501568. Its totient is φ = 881760096.

The previous prime is 1316518289. The next prime is 1316518337. The reversal of 1316518315 is 5138156131.

It is not a de Polignac number, because 1316518315 - 2¹⁹ = 1315994027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435877 + ... + 438886.

It is an arithmetic number, because the mean of its divisors is an integer number (115468848).

Almost surely, 2^1316518315 is an apocalyptic number.

1316518315 is a deficient number, since it is larger than the sum of its proper divisors (530983253).

1316518315 is an equidigital number, since it uses as much as digits as its factorization.

1316518315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874818.

The product of its digits is 10800, while the sum is 34.

The square root of 1316518315 is about 36283.8574988934. The cubic root of 1316518315 is about 1095.9959982072.

The spelling of 1316518315 in words is "one billion, three hundred sixteen million, five hundred eighteen thousand, three hundred fifteen".