2013331222321 has 4 divisors (see below), whose sum is σ = 2013389040112. Its totient is φ = 2013273404532.

The previous prime is 2013331222297. The next prime is 2013331222349. The reversal of 2013331222321 is 1232221333102.

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 2013331222321 - 2²¹ = 2013329125169 is a prime.

It is a super-2 number, since 2×2013331222321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013331222391) 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, 28856631 + ... + 28926316.

It is an arithmetic number, because the mean of its divisors is an integer number (503347260028).

Almost surely, 2^{2013331222321} is an apocalyptic number.

It is an amenable number.

2013331222321 is a deficient number, since it is larger than the sum of its proper divisors (57817791).

2013331222321 is an equidigital number, since it uses as much as digits as its factorization.

2013331222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57817790.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2013331222321 its reverse (1232221333102), we get a palindrome (3245552555423).

The spelling of 2013331222321 in words is "two trillion, thirteen billion, three hundred thirty-one million, two hundred twenty-two thousand, three hundred twenty-one".