2113031220233 has 4 divisors (see below), whose sum is σ = 2119085751300. Its totient is φ = 2106976689168.

The previous prime is 2113031220229. The next prime is 2113031220239. The reversal of 2113031220233 is 3320221303112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 789489115024 + 1323542105209 = 888532^2 + 1150453^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113031220233 - 2² = 2113031220229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113031220199 and 2113031220208.

It is not an unprimeable number, because it can be changed into a prime (2113031220239) 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, 3027265010 + ... + 3027265707.

It is an arithmetic number, because the mean of its divisors is an integer number (529771437825).

Almost surely, 2^{2113031220233} is an apocalyptic number.

It is an amenable number.

2113031220233 is a deficient number, since it is larger than the sum of its proper divisors (6054531067).

2113031220233 is an equidigital number, since it uses as much as digits as its factorization.

2113031220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054531066.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2113031220233 its reverse (3320221303112), we get a palindrome (5433252523345).

The spelling of 2113031220233 in words is "two trillion, one hundred thirteen billion, thirty-one million, two hundred twenty thousand, two hundred thirty-three".