2113204043 has 2 divisors, whose sum is σ = 2113204044. Its totient is φ = 2113204042.

The previous prime is 2113204031. The next prime is 2113204061. The reversal of 2113204043 is 3404023112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113204043 - 2⁸ = 2113203787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113204343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056602021 + 1056602022.

It is an arithmetic number, because the mean of its divisors is an integer number (1056602022).

Almost surely, 2^2113204043 is an apocalyptic number.

2113204043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113204043 is an equidigital number, since it uses as much as digits as its factorization.

2113204043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2113204043 is about 45969.5991172427. The cubic root of 2113204043 is about 1283.2574993963.

Adding to 2113204043 its reverse (3404023112), we get a palindrome (5517227155).

The spelling of 2113204043 in words is "two billion, one hundred thirteen million, two hundred four thousand, forty-three".