2313301222181 has 2 divisors, whose sum is σ = 2313301222182. Its totient is φ = 2313301222180.

The previous prime is 2313301222123. The next prime is 2313301222213. The reversal of 2313301222181 is 1812221033132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2312196989281 + 1104232900 = 1520591^2 + 33230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313301222181 - 2⁶ = 2313301222117 is a prime.

It is a super-2 number, since 2×2313301222181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313301222121) 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 as a sum of consecutive naturals, namely, 1156650611090 + 1156650611091.

It is an arithmetic number, because the mean of its divisors is an integer number (1156650611091).

Almost surely, 2^{2313301222181} is an apocalyptic number.

It is an amenable number.

2313301222181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313301222181 is an equidigital number, since it uses as much as digits as its factorization.

2313301222181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 2313301222181 in words is "two trillion, three hundred thirteen billion, three hundred one million, two hundred twenty-two thousand, one hundred eighty-one".