13320431353 has 2 divisors, whose sum is σ = 13320431354. Its totient is φ = 13320431352.

The previous prime is 13320431303. The next prime is 13320431363. The reversal of 13320431353 is 35313402331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13187536569 + 132894784 = 114837^2 + 11528^2 .

It is a cyclic number.

It is not a de Polignac number, because 13320431353 - 2¹³ = 13320423161 is a prime.

It is not a weakly prime, because it can be changed into another prime (13320431303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660215676 + 6660215677.

It is an arithmetic number, because the mean of its divisors is an integer number (6660215677).

Almost surely, 2^13320431353 is an apocalyptic number.

It is an amenable number.

13320431353 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320431353 is an equidigital number, since it uses as much as digits as its factorization.

13320431353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 13320431353 its reverse (35313402331), we get a palindrome (48633833684).

The spelling of 13320431353 in words is "thirteen billion, three hundred twenty million, four hundred thirty-one thousand, three hundred fifty-three".