13303120991 has 2 divisors, whose sum is σ = 13303120992. Its totient is φ = 13303120990.

The previous prime is 13303120981. The next prime is 13303121003. The reversal of 13303120991 is 19902130331.

It is a weak prime.

It is an emirp because it is prime and its reverse (19902130331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13303120991 - 2⁶ = 13303120927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13303120951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651560495 + 6651560496.

It is an arithmetic number, because the mean of its divisors is an integer number (6651560496).

Almost surely, 2^13303120991 is an apocalyptic number.

13303120991 is a deficient number, since it is larger than the sum of its proper divisors (1).

13303120991 is an equidigital number, since it uses as much as digits as its factorization.

13303120991 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 13303120991 in words is "thirteen billion, three hundred three million, one hundred twenty thousand, nine hundred ninety-one".