5131510313 has 2 divisors, whose sum is σ = 5131510314. Its totient is φ = 5131510312.

The previous prime is 5131510301. The next prime is 5131510331. The reversal of 5131510313 is 3130151315.

Together with next prime (5131510331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4983936409 + 147573904 = 70597^2 + 12148^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131510313 - 2⁶ = 5131510249 is a prime.

It is not a weakly prime, because it can be changed into another prime (5131510213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565755156 + 2565755157.

It is an arithmetic number, because the mean of its divisors is an integer number (2565755157).

Almost surely, 2^5131510313 is an apocalyptic number.

It is an amenable number.

5131510313 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131510313 is an equidigital number, since it uses as much as digits as its factorization.

5131510313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 5131510313 is about 71634.5608836964. The cubic root of 5131510313 is about 1724.8383592011.

Adding to 5131510313 its reverse (3130151315), we get a palindrome (8261661628).

The spelling of 5131510313 in words is "five billion, one hundred thirty-one million, five hundred ten thousand, three hundred thirteen".