2013203210303 has 16 divisors (see below), whose sum is σ = 2162117546496. Its totient is φ = 1870213810080.

The previous prime is 2013203210299. The next prime is 2013203210327. The reversal of 2013203210303 is 3030123023102.

It is a cyclic number.

It is not a de Polignac number, because 2013203210303 - 2² = 2013203210299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013203213303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9090776 + ... + 9309597.

It is an arithmetic number, because the mean of its divisors is an integer number (135132346656).

Almost surely, 2^{2013203210303} is an apocalyptic number.

2013203210303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2013203210303 is a deficient number, since it is larger than the sum of its proper divisors (148914336193).

2013203210303 is a wasteful number, since it uses less digits than its factorization.

2013203210303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18400534.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2013203210303 its reverse (3030123023102), we get a palindrome (5043326233405).

The spelling of 2013203210303 in words is "two trillion, thirteen billion, two hundred three million, two hundred ten thousand, three hundred three".