311122033223 has 2 divisors, whose sum is σ = 311122033224. Its totient is φ = 311122033222.

The previous prime is 311122033153. The next prime is 311122033267. The reversal of 311122033223 is 322330221113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311122033223 - 2²⁶ = 311054924359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311122033273) 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, 155561016611 + 155561016612.

It is an arithmetic number, because the mean of its divisors is an integer number (155561016612).

Almost surely, 2^311122033223 is an apocalyptic number.

311122033223 is a deficient number, since it is larger than the sum of its proper divisors (1).

311122033223 is an equidigital number, since it uses as much as digits as its factorization.

311122033223 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 311122033223 its reverse (322330221113), we get a palindrome (633452254336).

The spelling of 311122033223 in words is "three hundred eleven billion, one hundred twenty-two million, thirty-three thousand, two hundred twenty-three".