2113020033 has 4 divisors (see below), whose sum is σ = 2817360048. Its totient is φ = 1408680020.

The previous prime is 2113020023. The next prime is 2113020073. The reversal of 2113020033 is 3300203112.

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 a cyclic number.

It is not a de Polignac number, because 2113020033 - 2⁶ = 2113019969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2113019994 and 2113020021.

It is not an unprimeable number, because it can be changed into a prime (2113020023) 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, 352170003 + ... + 352170008.

It is an arithmetic number, because the mean of its divisors is an integer number (704340012).

Almost surely, 2^2113020033 is an apocalyptic number.

It is an amenable number.

2113020033 is a deficient number, since it is larger than the sum of its proper divisors (704340015).

2113020033 is an equidigital number, since it uses as much as digits as its factorization.

2113020033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704340014.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2113020033 is about 45967.5976422523. The cubic root of 2113020033 is about 1283.2202512080.

Adding to 2113020033 its reverse (3300203112), we get a palindrome (5413223145).

The spelling of 2113020033 in words is "two billion, one hundred thirteen million, twenty thousand, thirty-three".