2311143311 has 2 divisors, whose sum is σ = 2311143312. Its totient is φ = 2311143310.

The previous prime is 2311143301. The next prime is 2311143323. The reversal of 2311143311 is 1133411132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2311143311 - 2²⁶ = 2244034447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311143301) 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, 1155571655 + 1155571656.

It is an arithmetic number, because the mean of its divisors is an integer number (1155571656).

Almost surely, 2^2311143311 is an apocalyptic number.

2311143311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311143311 is an equidigital number, since it uses as much as digits as its factorization.

2311143311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 2311143311 is about 48074.3519041079. The cubic root of 2311143311 is about 1322.1344620065.

Adding to 2311143311 its reverse (1133411132), we get a palindrome (3444554443).

The spelling of 2311143311 in words is "two billion, three hundred eleven million, one hundred forty-three thousand, three hundred eleven".