13103111997 has 12 divisors (see below), whose sum is σ = 19032455520. Its totient is φ = 8686605768.

The previous prime is 13103111951. The next prime is 13103112017. The reversal of 13103111997 is 79911130131.

13103111997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13103111997 - 2¹⁴ = 13103095613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103111297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4065153 + ... + 4068374.

It is an arithmetic number, because the mean of its divisors is an integer number (1586037960).

Almost surely, 2^13103111997 is an apocalyptic number.

It is an amenable number.

13103111997 is a deficient number, since it is larger than the sum of its proper divisors (5929343523).

13103111997 is a wasteful number, since it uses less digits than its factorization.

13103111997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8133712 (or 8133709 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The spelling of 13103111997 in words is "thirteen billion, one hundred three million, one hundred eleven thousand, nine hundred ninety-seven".