311322323311 has 2 divisors, whose sum is σ = 311322323312. Its totient is φ = 311322323310.

The previous prime is 311322323251. The next prime is 311322323327. The reversal of 311322323311 is 113323223113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311322323311 - 2¹³ = 311322315119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311322323381) 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, 155661161655 + 155661161656.

It is an arithmetic number, because the mean of its divisors is an integer number (155661161656).

Almost surely, 2^311322323311 is an apocalyptic number.

311322323311 is a deficient number, since it is larger than the sum of its proper divisors (1).

311322323311 is an equidigital number, since it uses as much as digits as its factorization.

311322323311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

Adding to 311322323311 its reverse (113323223113), we get a palindrome (424645546424).

The spelling of 311322323311 in words is "three hundred eleven billion, three hundred twenty-two million, three hundred twenty-three thousand, three hundred eleven".