2003113444 has 12 divisors (see below), whose sum is σ = 3505767804. Its totient is φ = 1001465504.

The previous prime is 2003113439. The next prime is 2003113457. The reversal of 2003113444 is 4443113002.

It can be written as a sum of positive squares in 2 ways, for example, as 808719844 + 1194393600 = 28438^2 + 34560^2 .

It is a super-2 number, since 2×2003113444² = 8024926939067082272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60054 + ... + 87250.

It is an arithmetic number, because the mean of its divisors is an integer number (292147317).

Almost surely, 2^2003113444 is an apocalyptic number.

It is an amenable number.

2003113444 is a deficient number, since it is larger than the sum of its proper divisors (1502654360).

2003113444 is a wasteful number, since it uses less digits than its factorization.

2003113444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45614 (or 45612 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2003113444 is about 44756.1553755458. The cubic root of 2003113444 is about 1260.5744932078.

Adding to 2003113444 its reverse (4443113002), we get a palindrome (6446226446).

The spelling of 2003113444 in words is "two billion, three million, one hundred thirteen thousand, four hundred forty-four".