13224313451317 has 2 divisors, whose sum is σ = 13224313451318. Its totient is φ = 13224313451316.

The previous prime is 13224313451291. The next prime is 13224313451359. The reversal of 13224313451317 is 71315431342231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7144533401476 + 6079780049841 = 2672926^2 + 2465721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13224313451317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13224313451317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13224313451387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612156725658 + 6612156725659.

It is an arithmetic number, because the mean of its divisors is an integer number (6612156725659).

Almost surely, 2^{13224313451317} is an apocalyptic number.

It is an amenable number.

13224313451317 is a deficient number, since it is larger than the sum of its proper divisors (1).

13224313451317 is an equidigital number, since it uses as much as digits as its factorization.

13224313451317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

Adding to 13224313451317 its reverse (71315431342231), we get a palindrome (84539744793548).

The spelling of 13224313451317 in words is "thirteen trillion, two hundred twenty-four billion, three hundred thirteen million, four hundred fifty-one thousand, three hundred seventeen".