2313221013203 has 16 divisors (see below), whose sum is σ = 2467043136000. Its totient is φ = 2164213085760.

The previous prime is 2313221013161. The next prime is 2313221013209. The reversal of 2313221013203 is 3023101223132.

It is a de Polignac number, because none of the positive numbers 2^k-2313221013203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313221013209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4013018 + ... + 4553103.

It is an arithmetic number, because the mean of its divisors is an integer number (154190196000).

Almost surely, 2^{2313221013203} is an apocalyptic number.

2313221013203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2313221013203 is a deficient number, since it is larger than the sum of its proper divisors (153822122797).

2313221013203 is a wasteful number, since it uses less digits than its factorization.

2313221013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566402.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2313221013203 its reverse (3023101223132), we get a palindrome (5336322236335).

The spelling of 2313221013203 in words is "two trillion, three hundred thirteen billion, two hundred twenty-one million, thirteen thousand, two hundred three".