5312520131 has 2 divisors, whose sum is σ = 5312520132. Its totient is φ = 5312520130.

The previous prime is 5312520113. The next prime is 5312520133. The reversal of 5312520131 is 1310252135.

It is a happy number.

Together with previous prime (5312520113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5312520131 - 2¹⁸ = 5312257987 is a prime.

It is a super-2 number, since 2×5312520131² = 56445740284560514322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5312520133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5312520097 and 5312520106.

It is not a weakly prime, because it can be changed into another prime (5312520133) 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 as a sum of consecutive naturals, namely, 2656260065 + 2656260066.

It is an arithmetic number, because the mean of its divisors is an integer number (2656260066).

Almost surely, 2^5312520131 is an apocalyptic number.

5312520131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312520131 is an equidigital number, since it uses as much as digits as its factorization.

5312520131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5312520131 is about 72887.0367829561. The cubic root of 5312520131 is about 1744.8852157238.

Adding to 5312520131 its reverse (1310252135), we get a palindrome (6622772266).

The spelling of 5312520131 in words is "five billion, three hundred twelve million, five hundred twenty thousand, one hundred thirty-one".