311303222023 has 16 divisors (see below), whose sum is σ = 324088128000. Its totient is φ = 298799735872.

The previous prime is 311303222017. The next prime is 311303222081. The reversal of 311303222023 is 320222303113.

It is a cyclic number.

It is not a de Polignac number, because 311303222023 - 2⁹ = 311303221511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311303221985 and 311303222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311303222003) 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 in 15 ways as a sum of consecutive naturals, for example, 1027923 + ... + 1295851.

It is an arithmetic number, because the mean of its divisors is an integer number (20255508000).

Almost surely, 2^311303222023 is an apocalyptic number.

311303222023 is a deficient number, since it is larger than the sum of its proper divisors (12784905977).

311303222023 is a wasteful number, since it uses less digits than its factorization.

311303222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268454.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 311303222023 its reverse (320222303113), we get a palindrome (631525525136).

The spelling of 311303222023 in words is "three hundred eleven billion, three hundred three million, two hundred twenty-two thousand, twenty-three".