13013443117 has 2 divisors, whose sum is σ = 13013443118. Its totient is φ = 13013443116.

The previous prime is 13013443109. The next prime is 13013443133. The reversal of 13013443117 is 71134431031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12915413316 + 98029801 = 113646^2 + 9901^2 .

It is a cyclic number.

It is not a de Polignac number, because 13013443117 - 2³ = 13013443109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13013440117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506721558 + 6506721559.

It is an arithmetic number, because the mean of its divisors is an integer number (6506721559).

Almost surely, 2^13013443117 is an apocalyptic number.

It is an amenable number.

13013443117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13013443117 is an equidigital number, since it uses as much as digits as its factorization.

13013443117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 13013443117 its reverse (71134431031), we get a palindrome (84147874148).

The spelling of 13013443117 in words is "thirteen billion, thirteen million, four hundred forty-three thousand, one hundred seventeen".