13331312117 has 2 divisors, whose sum is σ = 13331312118. Its totient is φ = 13331312116.

The previous prime is 13331312107. The next prime is 13331312129. The reversal of 13331312117 is 71121313331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10846389316 + 2484922801 = 104146^2 + 49849^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331312117 - 2⁴ = 13331312101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13331312107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665656058 + 6665656059.

It is an arithmetic number, because the mean of its divisors is an integer number (6665656059).

Almost surely, 2^13331312117 is an apocalyptic number.

It is an amenable number.

13331312117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331312117 is an equidigital number, since it uses as much as digits as its factorization.

13331312117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 26.

Adding to 13331312117 its reverse (71121313331), we get a palindrome (84452625448).

The spelling of 13331312117 in words is "thirteen billion, three hundred thirty-one million, three hundred twelve thousand, one hundred seventeen".