311233311000222 has 32 divisors (see below), whose sum is σ = 670349798367648. Its totient is φ = 95763934475136.

The previous prime is 311233311000097. The next prime is 311233311000229. The reversal of 311233311000222 is 222000113332113.

It is a junction number, because it is equal to n+sod(n) for n = 311233311000192 and 311233311000201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311233311000229) 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, 48339288 + ... + 54398100.

It is an arithmetic number, because the mean of its divisors is an integer number (20948431198989).

Almost surely, 2^{311233311000222} is an apocalyptic number.

311233311000222 is an abundant number, since it is smaller than the sum of its proper divisors (359116487367426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311233311000222 is a wasteful number, since it uses less digits than its factorization.

311233311000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6717404.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 311233311000222 its reverse (222000113332113), we get a palindrome (533233424332335).

The spelling of 311233311000222 in words is "three hundred eleven trillion, two hundred thirty-three billion, three hundred eleven million, two hundred twenty-two", and thus it is an aban number.