13514865131 has 2 divisors, whose sum is σ = 13514865132. Its totient is φ = 13514865130.

The previous prime is 13514864999. The next prime is 13514865151. The reversal of 13514865131 is 13156841531.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13156841531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13514865131 is a prime.

It is a super-2 number, since 2×13514865131² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13514865151) 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, 6757432565 + 6757432566.

It is an arithmetic number, because the mean of its divisors is an integer number (6757432566).

Almost surely, 2^13514865131 is an apocalyptic number.

13514865131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13514865131 is an equidigital number, since it uses as much as digits as its factorization.

13514865131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The spelling of 13514865131 in words is "thirteen billion, five hundred fourteen million, eight hundred sixty-five thousand, one hundred thirty-one".