2013203120103 has 24 divisors (see below), whose sum is σ = 3323437485056. Its totient is φ = 1150382898000.

The previous prime is 2013203120087. The next prime is 2013203120111. The reversal of 2013203120103 is 3010213023102.

2013203120103 is a `hidden beast` number, since 20 + 1 + 320 + 312 + 0 + 10 + 3 = 666.

It is not a de Polignac number, because 2013203120103 - 2⁴ = 2013203120087 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 (2013203120113) 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, 4204998 + ... + 4659228.

Almost surely, 2^{2013203120103} is an apocalyptic number.

2013203120103 is a deficient number, since it is larger than the sum of its proper divisors (1310234364953).

2013203120103 is a wasteful number, since it uses less digits than its factorization.

2013203120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524595 (or 524592 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2013203120103 its reverse (3010213023102), we get a palindrome (5023416143205).

The spelling of 2013203120103 in words is "two trillion, thirteen billion, two hundred three million, one hundred twenty thousand, one hundred three".