1315317307 has 4 divisors (see below), whose sum is σ = 1372505040. Its totient is φ = 1258129576.

The previous prime is 1315317299. The next prime is 1315317323. The reversal of 1315317307 is 7037135131.

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

It is a cyclic number.

It is not a de Polignac number, because 1315317307 - 2³ = 1315317299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315317347) 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, 28593832 + ... + 28593877.

It is an arithmetic number, because the mean of its divisors is an integer number (343126260).

Almost surely, 2^1315317307 is an apocalyptic number.

1315317307 is a deficient number, since it is larger than the sum of its proper divisors (57187733).

1315317307 is an equidigital number, since it uses as much as digits as its factorization.

1315317307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57187732.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 1315317307 is about 36267.3035529249. The cubic root of 1315317307 is about 1095.6626187625.

The spelling of 1315317307 in words is "one billion, three hundred fifteen million, three hundred seventeen thousand, three hundred seven".