13011222317 has 2 divisors, whose sum is σ = 13011222318. Its totient is φ = 13011222316.

The previous prime is 13011222293. The next prime is 13011222349. The reversal of 13011222317 is 71322211031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9550371076 + 3460851241 = 97726^2 + 58829^2 .

It is a cyclic number.

It is not a de Polignac number, because 13011222317 - 2¹⁸ = 13010960173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13011222292 and 13011222301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13011222377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505611158 + 6505611159.

It is an arithmetic number, because the mean of its divisors is an integer number (6505611159).

Almost surely, 2^13011222317 is an apocalyptic number.

It is an amenable number.

13011222317 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011222317 is an equidigital number, since it uses as much as digits as its factorization.

13011222317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 13011222317 its reverse (71322211031), we get a palindrome (84333433348).

The spelling of 13011222317 in words is "thirteen billion, eleven million, two hundred twenty-two thousand, three hundred seventeen".