2013203113 has 8 divisors (see below), whose sum is σ = 2087728200. Its totient is φ = 1939018368.

The previous prime is 2013203099. The next prime is 2013203119. The reversal of 2013203113 is 3113023102.

It can be written as a sum of positive squares in 4 ways, for example, as 260273689 + 1752929424 = 16133^2 + 41868^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013203113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013203119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73006 + ... + 96727.

It is an arithmetic number, because the mean of its divisors is an integer number (260966025).

Almost surely, 2^2013203113 is an apocalyptic number.

It is an amenable number.

2013203113 is a deficient number, since it is larger than the sum of its proper divisors (74525087).

2013203113 is a wasteful number, since it uses less digits than its factorization.

2013203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170171.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2013203113 is about 44868.7320190798. The cubic root of 2013203113 is about 1262.6874512764.

Adding to 2013203113 its reverse (3113023102), we get a palindrome (5126226215).

The spelling of 2013203113 in words is "two billion, thirteen million, two hundred three thousand, one hundred thirteen".