5187130313 has 2 divisors, whose sum is σ = 5187130314. Its totient is φ = 5187130312.

The previous prime is 5187130309. The next prime is 5187130357. The reversal of 5187130313 is 3130317815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5167884544 + 19245769 = 71888^2 + 4387^2 .

It is a cyclic number.

It is not a de Polignac number, because 5187130313 - 2² = 5187130309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5187130313.

It is not a weakly prime, because it can be changed into another prime (5187130393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593565156 + 2593565157.

It is an arithmetic number, because the mean of its divisors is an integer number (2593565157).

Almost surely, 2^5187130313 is an apocalyptic number.

It is an amenable number.

5187130313 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187130313 is an equidigital number, since it uses as much as digits as its factorization.

5187130313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 5187130313 is about 72021.7350040944. The cubic root of 5187130313 is about 1731.0477701841.

The spelling of 5187130313 in words is "five billion, one hundred eighty-seven million, one hundred thirty thousand, three hundred thirteen".