2003223312313 has 4 divisors (see below), whose sum is σ = 2004329456208. Its totient is φ = 2002117168420.

The previous prime is 2003223312263. The next prime is 2003223312329. The reversal of 2003223312313 is 3132133223002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2003223312313 - 2⁹ = 2003223311801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003223312353) 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, 553069231 + ... + 553072852.

It is an arithmetic number, because the mean of its divisors is an integer number (501082364052).

Almost surely, 2^{2003223312313} is an apocalyptic number.

It is an amenable number.

2003223312313 is a deficient number, since it is larger than the sum of its proper divisors (1106143895).

2003223312313 is a wasteful number, since it uses less digits than its factorization.

2003223312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106143894.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2003223312313 its reverse (3132133223002), we get a palindrome (5135356535315).

The spelling of 2003223312313 in words is "two trillion, three billion, two hundred twenty-three million, three hundred twelve thousand, three hundred thirteen".