13113012109913 has 2 divisors, whose sum is σ = 13113012109914. Its totient is φ = 13113012109912.

The previous prime is 13113012109909. The next prime is 13113012110047. The reversal of 13113012109913 is 31990121031131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12104359473424 + 1008652636489 = 3479132^2 + 1004317^2 .

It is a cyclic number.

It is not a de Polignac number, because 13113012109913 - 2² = 13113012109909 is a prime.

It is a super-3 number, since 3×13113012109913³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13113012109903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556506054956 + 6556506054957.

It is an arithmetic number, because the mean of its divisors is an integer number (6556506054957).

Almost surely, 2^{13113012109913} is an apocalyptic number.

It is an amenable number.

13113012109913 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113012109913 is an equidigital number, since it uses as much as digits as its factorization.

13113012109913 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 35.

The spelling of 13113012109913 in words is "thirteen trillion, one hundred thirteen billion, twelve million, one hundred nine thousand, nine hundred thirteen".