2313222201321 has 16 divisors (see below), whose sum is σ = 3191485049280. Its totient is φ = 1489359674880.

The previous prime is 2313222201317. The next prime is 2313222201343. The reversal of 2313222201321 is 1231022223132.

It is not a de Polignac number, because 2313222201321 - 2² = 2313222201317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2313222201291 and 2313222201300.

It is not an unprimeable number, because it can be changed into a prime (2313222201721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100729840 + ... + 100752801.

It is an arithmetic number, because the mean of its divisors is an integer number (199467815580).

Almost surely, 2^{2313222201321} is an apocalyptic number.

It is an amenable number.

2313222201321 is a deficient number, since it is larger than the sum of its proper divisors (878262847959).

2313222201321 is a wasteful number, since it uses less digits than its factorization.

2313222201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201482776.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2313222201321 its reverse (1231022223132), we get a palindrome (3544244424453).

The spelling of 2313222201321 in words is "two trillion, three hundred thirteen billion, two hundred twenty-two million, two hundred one thousand, three hundred twenty-one".