2003103444044 has 12 divisors (see below), whose sum is σ = 3554803295568. Its totient is φ = 987445359600.

The previous prime is 2003103444031. The next prime is 2003103444071. The reversal of 2003103444044 is 4404443013002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2003103443998 and 2003103444016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3526590287 + ... + 3526590854.

It is an arithmetic number, because the mean of its divisors is an integer number (296233607964).

Almost surely, 2^{2003103444044} is an apocalyptic number.

It is an amenable number.

2003103444044 is a deficient number, since it is larger than the sum of its proper divisors (1551699851524).

2003103444044 is a wasteful number, since it uses less digits than its factorization.

2003103444044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053181216 (or 7053181214 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2003103444044 its reverse (4404443013002), we get a palindrome (6407546457046).

The spelling of 2003103444044 in words is "two trillion, three billion, one hundred three million, four hundred forty-four thousand, forty-four".