13231211417 has 2 divisors, whose sum is σ = 13231211418. Its totient is φ = 13231211416.

The previous prime is 13231211407. The next prime is 13231211479. The reversal of 13231211417 is 71411213231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8372982016 + 4858229401 = 91504^2 + 69701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13231211417 is a prime.

It is a super-2 number, since 2×13231211417² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13231211407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615605708 + 6615605709.

It is an arithmetic number, because the mean of its divisors is an integer number (6615605709).

Almost surely, 2^13231211417 is an apocalyptic number.

It is an amenable number.

13231211417 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231211417 is an equidigital number, since it uses as much as digits as its factorization.

13231211417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

Adding to 13231211417 its reverse (71411213231), we get a palindrome (84642424648).

The spelling of 13231211417 in words is "thirteen billion, two hundred thirty-one million, two hundred eleven thousand, four hundred seventeen".