2113388113 has 4 divisors (see below), whose sum is σ = 2113536880. Its totient is φ = 2113239348.

The previous prime is 2113388111. The next prime is 2113388129. The reversal of 2113388113 is 3118833112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2113388113 - 2¹ = 2113388111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113388111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50523 + ... + 82336.

It is an arithmetic number, because the mean of its divisors is an integer number (528384220).

Almost surely, 2^2113388113 is an apocalyptic number.

It is an amenable number.

2113388113 is a deficient number, since it is larger than the sum of its proper divisors (148767).

2113388113 is a wasteful number, since it uses less digits than its factorization.

2113388113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148766.

The product of its digits is 3456, while the sum is 31.

The square root of 2113388113 is about 45971.6011576712. The cubic root of 2113388113 is about 1283.2947575669.

The spelling of 2113388113 in words is "two billion, one hundred thirteen million, three hundred eighty-eight thousand, one hundred thirteen".