13291009331 has 2 divisors, whose sum is σ = 13291009332. Its totient is φ = 13291009330.

The previous prime is 13291009321. The next prime is 13291009357. The reversal of 13291009331 is 13390019231.

It is a weak prime.

It is an emirp because it is prime and its reverse (13390019231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13291009331 - 2⁶ = 13291009267 is a prime.

It is a super-2 number, since 2×13291009331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13291009301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6645504665 + 6645504666.

It is an arithmetic number, because the mean of its divisors is an integer number (6645504666).

Almost surely, 2^13291009331 is an apocalyptic number.

13291009331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13291009331 is an equidigital number, since it uses as much as digits as its factorization.

13291009331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 13291009331 in words is "thirteen billion, two hundred ninety-one million, nine thousand, three hundred thirty-one".