13818182113 has 2 divisors, whose sum is σ = 13818182114. Its totient is φ = 13818182112.

The previous prime is 13818182057. The next prime is 13818182137. The reversal of 13818182113 is 31128181831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8326927504 + 5491254609 = 91252^2 + 74103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13818182113 is a prime.

It is not a weakly prime, because it can be changed into another prime (13818180113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6909091056 + 6909091057.

It is an arithmetic number, because the mean of its divisors is an integer number (6909091057).

Almost surely, 2^13818182113 is an apocalyptic number.

It is an amenable number.

13818182113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13818182113 is an equidigital number, since it uses as much as digits as its factorization.

13818182113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 37.

The spelling of 13818182113 in words is "thirteen billion, eight hundred eighteen million, one hundred eighty-two thousand, one hundred thirteen".