7713513308131 has 2 divisors, whose sum is σ = 7713513308132. Its totient is φ = 7713513308130.

The previous prime is 7713513308129. The next prime is 7713513308177. The reversal of 7713513308131 is 1318033153177.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7713513308131 - 2¹ = 7713513308129 is a prime.

It is a super-2 number, since 2×7713513308131² (a number of 27 digits) contains 22 as substring.

Together with 7713513308129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7713513308731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856756654065 + 3856756654066.

It is an arithmetic number, because the mean of its divisors is an integer number (3856756654066).

Almost surely, 2^{7713513308131} is an apocalyptic number.

7713513308131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7713513308131 is an equidigital number, since it uses as much as digits as its factorization.

7713513308131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 7713513308131 in words is "seven trillion, seven hundred thirteen billion, five hundred thirteen million, three hundred eight thousand, one hundred thirty-one".