2113043004 has 24 divisors (see below), whose sum is σ = 5478259920. Its totient is φ = 704347632.

The previous prime is 2113042993. The next prime is 2113043017. The reversal of 2113043004 is 4003403112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9782499 + ... + 9782714.

It is an arithmetic number, because the mean of its divisors is an integer number (228260830).

Almost surely, 2^2113043004 is an apocalyptic number.

It is an amenable number.

2113043004 is an abundant number, since it is smaller than the sum of its proper divisors (3365216916).

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

2113043004 is a wasteful number, since it uses less digits than its factorization.

2113043004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19565226 (or 19565218 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2113043004 is about 45967.8475023576. The cubic root of 2113043004 is about 1283.2249012263.

Adding to 2113043004 its reverse (4003403112), we get a palindrome (6116446116).

The spelling of 2113043004 in words is "two billion, one hundred thirteen million, forty-three thousand, four".