2113440003 has 12 divisors (see below), whose sum is σ = 3104488920. Its totient is φ = 1385078976.

The previous prime is 2113440001. The next prime is 2113440011. The reversal of 2113440003 is 3000443112.

It is not a de Polignac number, because 2113440003 - 2¹ = 2113440001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113440001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1989526 + ... + 1990587.

It is an arithmetic number, because the mean of its divisors is an integer number (258707410).

Almost surely, 2^2113440003 is an apocalyptic number.

2113440003 is a deficient number, since it is larger than the sum of its proper divisors (991048917).

2113440003 is a wasteful number, since it uses less digits than its factorization.

2113440003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980178 (or 3980175 counting only the distinct ones).

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

The square root of 2113440003 is about 45972.1655243692. The cubic root of 2113440003 is about 1283.3052603893.

Adding to 2113440003 its reverse (3000443112), we get a palindrome (5113883115).

The spelling of 2113440003 in words is "two billion, one hundred thirteen million, four hundred forty thousand, three".