5315312613 has 16 divisors (see below), whose sum is σ = 7724203200. Its totient is φ = 3231550464.

The previous prime is 5315312609. The next prime is 5315312621. The reversal of 5315312613 is 3162135135.

It is not a de Polignac number, because 5315312613 - 2² = 5315312609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5315310613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817788 + ... + 824261.

It is an arithmetic number, because the mean of its divisors is an integer number (482762700).

Almost surely, 2^5315312613 is an apocalyptic number.

It is an amenable number.

5315312613 is a deficient number, since it is larger than the sum of its proper divisors (2408890587).

5315312613 is a wasteful number, since it uses less digits than its factorization.

5315312613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642148.

The product of its digits is 8100, while the sum is 30.

The square root of 5315312613 is about 72906.1904984755. The cubic root of 5315312613 is about 1745.1908903030.

Adding to 5315312613 its reverse (3162135135), we get a palindrome (8477447748).

The spelling of 5315312613 in words is "five billion, three hundred fifteen million, three hundred twelve thousand, six hundred thirteen".