2001313022203 has 24 divisors (see below), whose sum is σ = 2303268587424. Its totient is φ = 1734331991040.

The previous prime is 2001313022179. The next prime is 2001313022207. The reversal of 2001313022203 is 3022203131002.

It is not a de Polignac number, because 2001313022203 - 2²⁵ = 2001279467771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001313022207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411750 + ... + 2042587.

It is an arithmetic number, because the mean of its divisors is an integer number (95969524476).

Almost surely, 2^{2001313022203} is an apocalyptic number.

2001313022203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2001313022203 is a deficient number, since it is larger than the sum of its proper divisors (301955565221).

2001313022203 is a wasteful number, since it uses less digits than its factorization.

2001313022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454675 (or 2454664 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2001313022203 its reverse (3022203131002), we get a palindrome (5023516153205).

The spelling of 2001313022203 in words is "two trillion, one billion, three hundred thirteen million, twenty-two thousand, two hundred three".