2113030044 has 24 divisors (see below), whose sum is σ = 5478226320. Its totient is φ = 704343312.

The previous prime is 2113030039. The next prime is 2113030061. The reversal of 2113030044 is 4400303112.

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

It is a junction number, because it is equal to n+sod(n) for n = 2113029999 and 2113030026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9782439 + ... + 9782654.

It is an arithmetic number, because the mean of its divisors is an integer number (228259430).

Almost surely, 2^2113030044 is an apocalyptic number.

It is an amenable number.

2113030044 is an abundant number, since it is smaller than the sum of its proper divisors (3365196276).

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

2113030044 is a wasteful number, since it uses less digits than its factorization.

2113030044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19565106 (or 19565098 counting only the distinct ones).

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

The square root of 2113030044 is about 45967.7065340441. The cubic root of 2113030044 is about 1283.2222777383. Note that the first 4 decimals are identical.

Adding to 2113030044 its reverse (4400303112), we get a palindrome (6513333156).

The spelling of 2113030044 in words is "two billion, one hundred thirteen million, thirty thousand, forty-four".