5312115013 has 2 divisors, whose sum is σ = 5312115014. Its totient is φ = 5312115012.

The previous prime is 5312115007. The next prime is 5312115023. The reversal of 5312115013 is 3105112135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3806519809 + 1505595204 = 61697^2 + 38802^2 .

It is a cyclic number.

It is not a de Polignac number, because 5312115013 - 2²¹ = 5310017861 is a prime.

It is a super-2 number, since 2×5312115013² = 56437131822679980338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5312115023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656057506 + 2656057507.

It is an arithmetic number, because the mean of its divisors is an integer number (2656057507).

Almost surely, 2^5312115013 is an apocalyptic number.

It is an amenable number.

5312115013 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312115013 is an equidigital number, since it uses as much as digits as its factorization.

5312115013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 5312115013 is about 72884.2576486857. The cubic root of 5312115013 is about 1744.8408612329.

Adding to 5312115013 its reverse (3105112135), we get a palindrome (8417227148).

The spelling of 5312115013 in words is "five billion, three hundred twelve million, one hundred fifteen thousand, thirteen".