2311223122133 has 2 divisors, whose sum is σ = 2311223122134. Its totient is φ = 2311223122132.

The previous prime is 2311223122121. The next prime is 2311223122141. The reversal of 2311223122133 is 3312213221132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1316063251204 + 995159870929 = 1147198^2 + 997577^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311223122133 - 2²⁴ = 2311206344917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311223122333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155611561066 + 1155611561067.

It is an arithmetic number, because the mean of its divisors is an integer number (1155611561067).

Almost surely, 2^{2311223122133} is an apocalyptic number.

It is an amenable number.

2311223122133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311223122133 is an equidigital number, since it uses as much as digits as its factorization.

2311223122133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

Adding to 2311223122133 its reverse (3312213221132), we get a palindrome (5623436343265).

The spelling of 2311223122133 in words is "two trillion, three hundred eleven billion, two hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-three".