15013502131 has 2 divisors, whose sum is σ = 15013502132. Its totient is φ = 15013502130.

The previous prime is 15013502117. The next prime is 15013502143. The reversal of 15013502131 is 13120531051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15013502131 - 2⁹ = 15013501619 is a prime.

It is a super-2 number, since 2×15013502131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15013502191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7506751065 + 7506751066.

It is an arithmetic number, because the mean of its divisors is an integer number (7506751066).

Almost surely, 2^15013502131 is an apocalyptic number.

15013502131 is a deficient number, since it is larger than the sum of its proper divisors (1).

15013502131 is an equidigital number, since it uses as much as digits as its factorization.

15013502131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The spelling of 15013502131 in words is "fifteen billion, thirteen million, five hundred two thousand, one hundred thirty-one".