2013243303 has 4 divisors (see below), whose sum is σ = 2684324408. Its totient is φ = 1342162200.

The previous prime is 2013243299. The next prime is 2013243311. The reversal of 2013243303 is 3033423102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2013243303 - 2² = 2013243299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013243303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013243313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335540548 + ... + 335540553.

It is an arithmetic number, because the mean of its divisors is an integer number (671081102).

Almost surely, 2^2013243303 is an apocalyptic number.

2013243303 is a deficient number, since it is larger than the sum of its proper divisors (671081105).

2013243303 is an equidigital number, since it uses as much as digits as its factorization.

2013243303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671081104.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2013243303 is about 44869.1798788433. The cubic root of 2013243303 is about 1262.6958536528.

Adding to 2013243303 its reverse (3033423102), we get a palindrome (5046666405).

The spelling of 2013243303 in words is "two billion, thirteen million, two hundred forty-three thousand, three hundred three".