13541502131 has 2 divisors, whose sum is σ = 13541502132. Its totient is φ = 13541502130.

The previous prime is 13541502109. The next prime is 13541502151. The reversal of 13541502131 is 13120514531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13541502131 is a prime.

It is a super-2 number, since 2×13541502131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13541502131.

It is not a weakly prime, because it can be changed into another prime (13541502151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770751065 + 6770751066.

It is an arithmetic number, because the mean of its divisors is an integer number (6770751066).

Almost surely, 2^13541502131 is an apocalyptic number.

13541502131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13541502131 is an equidigital number, since it uses as much as digits as its factorization.

13541502131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 13541502131 in words is "thirteen billion, five hundred forty-one million, five hundred two thousand, one hundred thirty-one".