2003100103 has 4 divisors (see below), whose sum is σ = 2003886040. Its totient is φ = 2002314168.

The previous prime is 2003100083. The next prime is 2003100109. The reversal of 2003100103 is 3010013002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2003100103 - 2⁹ = 2003099591 is a prime.

It is a super-2 number, since 2×2003100103² = 8024820045277221218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003100109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389133 + ... + 394246.

It is an arithmetic number, because the mean of its divisors is an integer number (500971510).

Almost surely, 2^2003100103 is an apocalyptic number.

2003100103 is a deficient number, since it is larger than the sum of its proper divisors (785937).

2003100103 is an equidigital number, since it uses as much as digits as its factorization.

2003100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785936.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 2003100103 is about 44756.0063343458. The cubic root of 2003100103 is about 1260.5716946707.

Adding to 2003100103 its reverse (3010013002), we get a palindrome (5013113105).

The spelling of 2003100103 in words is "two billion, three million, one hundred thousand, one hundred three".