311222113322 has 16 divisors (see below), whose sum is σ = 471052392192. Its totient is φ = 154205163840.

The previous prime is 311222113303. The next prime is 311222113331. The reversal of 311222113322 is 223311222113.

It is a super-2 number, since 2×311222113322² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110593 + ... + 1362299.

It is an arithmetic number, because the mean of its divisors is an integer number (29440774512).

Almost surely, 2^311222113322 is an apocalyptic number.

311222113322 is a deficient number, since it is larger than the sum of its proper divisors (159830278870).

311222113322 is a wasteful number, since it uses less digits than its factorization.

311222113322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257293.

The product of its digits is 864, while the sum is 23.

Adding to 311222113322 its reverse (223311222113), we get a palindrome (534533335435).

The spelling of 311222113322 in words is "three hundred eleven billion, two hundred twenty-two million, one hundred thirteen thousand, three hundred twenty-two".