311300221112 has 16 divisors (see below), whose sum is σ = 591076370400. Its totient is φ = 153679855680.

The previous prime is 311300221109. The next prime is 311300221117. The reversal of 311300221112 is 211122003113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311300221117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246281189 + ... + 246282452.

It is an arithmetic number, because the mean of its divisors is an integer number (36942273150).

Almost surely, 2^311300221112 is an apocalyptic number.

It is an amenable number.

311300221112 is a deficient number, since it is larger than the sum of its proper divisors (279776149288).

311300221112 is a wasteful number, since it uses less digits than its factorization.

311300221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492563726 (or 492563722 counting only the distinct ones).

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

Adding to 311300221112 its reverse (211122003113), we get a palindrome (522422224225).

The spelling of 311300221112 in words is "three hundred eleven billion, three hundred million, two hundred twenty-one thousand, one hundred twelve".