2113243213 has 8 divisors (see below), whose sum is σ = 2276199200. Its totient is φ = 1955460528.

The previous prime is 2113243211. The next prime is 2113243229. The reversal of 2113243213 is 3123423112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113243213 - 2¹ = 2113243211 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 (2113243211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292478 + ... + 1294111.

It is an arithmetic number, because the mean of its divisors is an integer number (284524900).

Almost surely, 2^2113243213 is an apocalyptic number.

It is an amenable number.

2113243213 is a deficient number, since it is larger than the sum of its proper divisors (162955987).

2113243213 is a wasteful number, since it uses less digits than its factorization.

2113243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586651.

The product of its digits is 864, while the sum is 22.

The square root of 2113243213 is about 45970.0251577047. The cubic root of 2113243213 is about 1283.2654280968.

Adding to 2113243213 its reverse (3123423112), we get a palindrome (5236666325).

The spelling of 2113243213 in words is "two billion, one hundred thirteen million, two hundred forty-three thousand, two hundred thirteen".