13315135331 has 2 divisors, whose sum is σ = 13315135332. Its totient is φ = 13315135330.

The previous prime is 13315135271. The next prime is 13315135363. The reversal of 13315135331 is 13353151331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13315135331 is a prime.

It is a super-2 number, since 2×13315135331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13315135294 and 13315135303.

It is not a weakly prime, because it can be changed into another prime (13315135231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657567665 + 6657567666.

It is an arithmetic number, because the mean of its divisors is an integer number (6657567666).

Almost surely, 2^13315135331 is an apocalyptic number.

13315135331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13315135331 is an equidigital number, since it uses as much as digits as its factorization.

13315135331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6075, while the sum is 29.

Adding to 13315135331 its reverse (13353151331), we get a palindrome (26668286662).

The spelling of 13315135331 in words is "thirteen billion, three hundred fifteen million, one hundred thirty-five thousand, three hundred thirty-one".