2313322011221 has 8 divisors (see below), whose sum is σ = 2497482506904. Its totient is φ = 2130049036800.

The previous prime is 2313322011179. The next prime is 2313322011223. The reversal of 2313322011221 is 1221102233132.

2313322011221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1465283619121 + 848038392100 = 1210489^2 + 920890^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2313322011221 - 2¹⁸ = 2313321749077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313322011223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221874896 + ... + 221885321.

It is an arithmetic number, because the mean of its divisors is an integer number (312185313363).

Almost surely, 2^{2313322011221} is an apocalyptic number.

It is an amenable number.

2313322011221 is a deficient number, since it is larger than the sum of its proper divisors (184160495683).

2313322011221 is a wasteful number, since it uses less digits than its factorization.

2313322011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443760631.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2313322011221 its reverse (1221102233132), we get a palindrome (3534424244353).

The spelling of 2313322011221 in words is "two trillion, three hundred thirteen billion, three hundred twenty-two million, eleven thousand, two hundred twenty-one".