2003203103100 has 36 divisors (see below), whose sum is σ = 5795934312504. Its totient is φ = 534187494080.

The previous prime is 2003203103023. The next prime is 2003203103119. The reversal of 2003203103100 is 13013023002.

It is a super-2 number, since 2×2003203103100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2003203103100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3338671539 + ... + 3338672138.

Almost surely, 2^{2003203103100} is an apocalyptic number.

2003203103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003203103100 is an abundant number, since it is smaller than the sum of its proper divisors (3792731209404).

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

2003203103100 is a wasteful number, since it uses less digits than its factorization.

2003203103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677343694 (or 6677343687 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 2003203103100 its reverse (13013023002), we get a palindrome (2016216126102).

The spelling of 2003203103100 in words is "two trillion, three billion, two hundred three million, one hundred three thousand, one hundred".