311211113233222 has 16 divisors (see below), whose sum is σ = 474618708513360. Its totient is φ = 153026107099648.

The previous prime is 311211113233219. The next prime is 311211113233291. The reversal of 311211113233222 is 222332311112113.

It is a super-2 number, since 2×311211113233222² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 5307479947 + ... + 5307538582.

It is an arithmetic number, because the mean of its divisors is an integer number (29663669282085).

Almost surely, 2^{311211113233222} is an apocalyptic number.

311211113233222 is a deficient number, since it is larger than the sum of its proper divisors (163407595280138).

311211113233222 is a wasteful number, since it uses less digits than its factorization.

311211113233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10615018775.

The product of its digits is 2592, while the sum is 28.

Adding to 311211113233222 its reverse (222332311112113), we get a palindrome (533543424345335).

The spelling of 311211113233222 in words is "three hundred eleven trillion, two hundred eleven billion, one hundred thirteen million, two hundred thirty-three thousand, two hundred twenty-two".