311122022230 has 16 divisors (see below), whose sum is σ = 567691143264. Its totient is φ = 122744030400.

The previous prime is 311122022221. The next prime is 311122022243. The reversal of 311122022230 is 32220221113.

It is a super-2 number, since 2×311122022230² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311122022198 and 311122022207.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 213096546 + ... + 213098005.

It is an arithmetic number, because the mean of its divisors is an integer number (35480696454).

Almost surely, 2^311122022230 is an apocalyptic number.

311122022230 is a deficient number, since it is larger than the sum of its proper divisors (256569121034).

311122022230 is a wasteful number, since it uses less digits than its factorization.

311122022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426194631.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 311122022230 its reverse (32220221113), we get a palindrome (343342243343).

The spelling of 311122022230 in words is "three hundred eleven billion, one hundred twenty-two million, twenty-two thousand, two hundred thirty".