13113203291 has 2 divisors, whose sum is σ = 13113203292. Its totient is φ = 13113203290.

The previous prime is 13113203287. The next prime is 13113203303. The reversal of 13113203291 is 19230231131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13113203291 - 2² = 13113203287 is a prime.

It is a super-2 number, since 2×13113203291² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13113203291.

It is not a weakly prime, because it can be changed into another prime (13113203221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556601645 + 6556601646.

It is an arithmetic number, because the mean of its divisors is an integer number (6556601646).

Almost surely, 2^13113203291 is an apocalyptic number.

13113203291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113203291 is an equidigital number, since it uses as much as digits as its factorization.

13113203291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 13113203291 in words is "thirteen billion, one hundred thirteen million, two hundred three thousand, two hundred ninety-one".