311122300112 has 40 divisors (see below), whose sum is σ = 649233446400. Its totient is φ = 143580574080.

The previous prime is 311122300067. The next prime is 311122300163. The reversal of 311122300112 is 211003221113.

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, 2176937 + ... + 2315447.

It is an arithmetic number, because the mean of its divisors is an integer number (16230836160).

Almost surely, 2^311122300112 is an apocalyptic number.

It is an amenable number.

311122300112 is an abundant number, since it is smaller than the sum of its proper divisors (338111146288).

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

311122300112 is a wasteful number, since it uses less digits than its factorization.

311122300112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149331 (or 149325 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 311122300112 its reverse (211003221113), we get a palindrome (522125521225).

The spelling of 311122300112 in words is "three hundred eleven billion, one hundred twenty-two million, three hundred thousand, one hundred twelve".