13071307231 has 2 divisors, whose sum is σ = 13071307232. Its totient is φ = 13071307230.

The previous prime is 13071307163. The next prime is 13071307253. The reversal of 13071307231 is 13270317031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13071307231 - 2¹¹ = 13071305183 is a prime.

It is a super-2 number, since 2×13071307231² (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 13071307231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13071305231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535653615 + 6535653616.

It is an arithmetic number, because the mean of its divisors is an integer number (6535653616).

Almost surely, 2^13071307231 is an apocalyptic number.

13071307231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13071307231 is an equidigital number, since it uses as much as digits as its factorization.

13071307231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The spelling of 13071307231 in words is "thirteen billion, seventy-one million, three hundred seven thousand, two hundred thirty-one".