13231102120309 has 2 divisors, whose sum is σ = 13231102120310. Its totient is φ = 13231102120308.

The previous prime is 13231102120279. The next prime is 13231102120381. The reversal of 13231102120309 is 90302120113231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11791634871025 + 1439467249284 = 3433895^2 + 1199778^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231102120309 - 2⁹ = 13231102119797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231102420309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615551060154 + 6615551060155.

It is an arithmetic number, because the mean of its divisors is an integer number (6615551060155).

Almost surely, 2^{13231102120309} is an apocalyptic number.

It is an amenable number.

13231102120309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231102120309 is an equidigital number, since it uses as much as digits as its factorization.

13231102120309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 13231102120309 in words is "thirteen trillion, two hundred thirty-one billion, one hundred two million, one hundred twenty thousand, three hundred nine".