13204311331 has 2 divisors, whose sum is σ = 13204311332. Its totient is φ = 13204311330.

The previous prime is 13204311319. The next prime is 13204311359. The reversal of 13204311331 is 13311340231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13204311331 - 2⁷ = 13204311203 is a prime.

It is a super-2 number, since 2×13204311331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13244311331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602155665 + 6602155666.

It is an arithmetic number, because the mean of its divisors is an integer number (6602155666).

Almost surely, 2^13204311331 is an apocalyptic number.

13204311331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13204311331 is an equidigital number, since it uses as much as digits as its factorization.

13204311331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13204311331 its reverse (13311340231), we get a palindrome (26515651562).

The spelling of 13204311331 in words is "thirteen billion, two hundred four million, three hundred eleven thousand, three hundred thirty-one".