13013431369 has 2 divisors, whose sum is σ = 13013431370. Its totient is φ = 13013431368.

The previous prime is 13013431351. The next prime is 13013431427. The reversal of 13013431369 is 96313431031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12630837769 + 382593600 = 112387^2 + 19560^2 .

It is a cyclic number.

It is not a de Polignac number, because 13013431369 - 2¹¹ = 13013429321 is a prime.

It is a super-2 number, since 2×13013431369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13013431309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506715684 + 6506715685.

It is an arithmetic number, because the mean of its divisors is an integer number (6506715685).

Almost surely, 2^13013431369 is an apocalyptic number.

It is an amenable number.

13013431369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13013431369 is an equidigital number, since it uses as much as digits as its factorization.

13013431369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 13013431369 in words is "thirteen billion, thirteen million, four hundred thirty-one thousand, three hundred sixty-nine".