20131113210003 has 24 divisors (see below), whose sum is σ = 29217428388720. Its totient is φ = 13356587888640.

The previous prime is 20131113209993. The next prime is 20131113210031. The reversal of 20131113210003 is 30001231113102.

It is not a de Polignac number, because 20131113210003 - 2⁸ = 20131113209747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20131113217003) 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, 485875 + ... + 6363827.

It is an arithmetic number, because the mean of its divisors is an integer number (1217392849530).

Almost surely, 2^{20131113210003} is an apocalyptic number.

20131113210003 is a deficient number, since it is larger than the sum of its proper divisors (9086315178717).

20131113210003 is a wasteful number, since it uses less digits than its factorization.

20131113210003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879779 (or 5879776 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20131113210003 its reverse (30001231113102), we get a palindrome (50132344323105).

The spelling of 20131113210003 in words is "twenty trillion, one hundred thirty-one billion, one hundred thirteen million, two hundred ten thousand, three".