2113243113 has 4 divisors (see below), whose sum is σ = 2817657488. Its totient is φ = 1408828740.

The previous prime is 2113243081. The next prime is 2113243141. The reversal of 2113243113 is 3113423112.

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 not a de Polignac number, because 2113243113 - 2⁵ = 2113243081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113243113.

It is not an unprimeable number, because it can be changed into a prime (2113243183) 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, 352207183 + ... + 352207188.

It is an arithmetic number, because the mean of its divisors is an integer number (704414372).

Almost surely, 2^2113243113 is an apocalyptic number.

It is an amenable number.

2113243113 is a deficient number, since it is larger than the sum of its proper divisors (704414375).

2113243113 is an equidigital number, since it uses as much as digits as its factorization.

2113243113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704414374.

The product of its digits is 432, while the sum is 21.

The square root of 2113243113 is about 45970.0240700394. The cubic root of 2113243113 is about 1283.2654078551.

Adding to 2113243113 its reverse (3113423112), we get a palindrome (5226666225).

The spelling of 2113243113 in words is "two billion, one hundred thirteen million, two hundred forty-three thousand, one hundred thirteen".