2113131013 has 16 divisors (see below), whose sum is σ = 2485601280. Its totient is φ = 1758519936.

The previous prime is 2113131011. The next prime is 2113131043. The reversal of 2113131013 is 3101313112.

It is a cyclic number.

It is not a de Polignac number, because 2113131013 - 2¹ = 2113131011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113131011) 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, 115545 + ... + 132577.

It is an arithmetic number, because the mean of its divisors is an integer number (155350080).

Almost surely, 2^2113131013 is an apocalyptic number.

It is an amenable number.

2113131013 is a deficient number, since it is larger than the sum of its proper divisors (372470267).

2113131013 is a wasteful number, since it uses less digits than its factorization.

2113131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17556.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2113131013 is about 45968.8047810687. The cubic root of 2113131013 is about 1283.2427165716.

Adding to 2113131013 its reverse (3101313112), we get a palindrome (5214444125).

The spelling of 2113131013 in words is "two billion, one hundred thirteen million, one hundred thirty-one thousand, thirteen".