2113020304 has 40 divisors (see below), whose sum is σ = 4523281920. Its totient is φ = 951126528.

The previous prime is 2113020211. The next prime is 2113020307. The reversal of 2113020304 is 4030203112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2113020307) 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, 162624 + ... + 175135.

It is an arithmetic number, because the mean of its divisors is an integer number (113082048).

Almost surely, 2^2113020304 is an apocalyptic number.

It is an amenable number.

2113020304 is an abundant number, since it is smaller than the sum of its proper divisors (2410261616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113020304 is a wasteful number, since it uses less digits than its factorization.

2113020304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337807 (or 337801 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2113020304 is about 45967.6005899808. The cubic root of 2113020304 is about 1283.2203060667.

Adding to 2113020304 its reverse (4030203112), we get a palindrome (6143223416).

The spelling of 2113020304 in words is "two billion, one hundred thirteen million, twenty thousand, three hundred four".