2311012320233 has 2 divisors, whose sum is σ = 2311012320234. Its totient is φ = 2311012320232.

The previous prime is 2311012320157. The next prime is 2311012320307. The reversal of 2311012320233 is 3320232101132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1703630573824 + 607381746409 = 1305232^2 + 779347^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311012320233 - 2²² = 2311008125929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311012320199 and 2311012320208.

It is not a weakly prime, because it can be changed into another prime (2311012320433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155506160116 + 1155506160117.

It is an arithmetic number, because the mean of its divisors is an integer number (1155506160117).

Almost surely, 2^{2311012320233} is an apocalyptic number.

It is an amenable number.

2311012320233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311012320233 is an equidigital number, since it uses as much as digits as its factorization.

2311012320233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2311012320233 its reverse (3320232101132), we get a palindrome (5631244421365).

The spelling of 2311012320233 in words is "two trillion, three hundred eleven billion, twelve million, three hundred twenty thousand, two hundred thirty-three".