311122223023 has 16 divisors (see below), whose sum is σ = 325610046720. Its totient is φ = 297022968000.

The previous prime is 311122222991. The next prime is 311122223099. The reversal of 311122223023 is 320322221113.

It is a cyclic number.

It is not a de Polignac number, because 311122223023 - 2⁵ = 311122222991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311122222985 and 311122223003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311122203023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39768 + ... + 789826.

It is an arithmetic number, because the mean of its divisors is an integer number (20350627920).

Almost surely, 2^311122223023 is an apocalyptic number.

311122223023 is a deficient number, since it is larger than the sum of its proper divisors (14487823697).

311122223023 is a wasteful number, since it uses less digits than its factorization.

311122223023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750318.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 311122223023 its reverse (320322221113), we get a palindrome (631444444136).

The spelling of 311122223023 in words is "three hundred eleven billion, one hundred twenty-two million, two hundred twenty-three thousand, twenty-three".