2311133243 has 2 divisors, whose sum is σ = 2311133244. Its totient is φ = 2311133242.

The previous prime is 2311133177. The next prime is 2311133263. The reversal of 2311133243 is 3423311132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2311133243 - 2²⁴ = 2294356027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311133263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155566621 + 1155566622.

It is an arithmetic number, because the mean of its divisors is an integer number (1155566622).

Almost surely, 2^2311133243 is an apocalyptic number.

2311133243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311133243 is an equidigital number, since it uses as much as digits as its factorization.

2311133243 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2311133243 is about 48074.2471911937. The cubic root of 2311133243 is about 1322.1325421387.

Adding to 2311133243 its reverse (3423311132), we get a palindrome (5734444375).

The spelling of 2311133243 in words is "two billion, three hundred eleven million, one hundred thirty-three thousand, two hundred forty-three".