13020108691 has 2 divisors, whose sum is σ = 13020108692. Its totient is φ = 13020108690.

The previous prime is 13020108677. The next prime is 13020108697. The reversal of 13020108691 is 19680102031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13020108691 - 2⁵ = 13020108659 is a prime.

It is not a weakly prime, because it can be changed into another prime (13020108697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510054345 + 6510054346.

It is an arithmetic number, because the mean of its divisors is an integer number (6510054346).

Almost surely, 2^13020108691 is an apocalyptic number.

13020108691 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020108691 is an equidigital number, since it uses as much as digits as its factorization.

13020108691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 13020108691 in words is "thirteen billion, twenty million, one hundred eight thousand, six hundred ninety-one".