2113507107 has 16 divisors (see below), whose sum is σ = 3133860480. Its totient is φ = 1407772296.

The previous prime is 2113507079. The next prime is 2113507117. The reversal of 2113507107 is 7017053112.

It is a happy number.

It is not a de Polignac number, because 2113507107 - 2⁸ = 2113506851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2113507117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2253 + ... + 65054.

It is an arithmetic number, because the mean of its divisors is an integer number (195866280).

Almost surely, 2^2113507107 is an apocalyptic number.

2113507107 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2113507107 is a deficient number, since it is larger than the sum of its proper divisors (1020353373).

2113507107 is a wasteful number, since it uses less digits than its factorization.

2113507107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68479 (or 68473 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 2113507107 is about 45972.8953515003. The cubic root of 2113507107 is about 1283.3188423543.

The spelling of 2113507107 in words is "two billion, one hundred thirteen million, five hundred seven thousand, one hundred seven".