311300112 has 20 divisors (see below), whose sum is σ = 804192080. Its totient is φ = 103766688.

The previous prime is 311300089. The next prime is 311300131. The reversal of 311300112 is 211003113.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3242662 + ... + 3242757.

It is an arithmetic number, because the mean of its divisors is an integer number (40209604).

Almost surely, 2^311300112 is an apocalyptic number.

It is an amenable number.

311300112 is an abundant number, since it is smaller than the sum of its proper divisors (492891968).

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

311300112 is a wasteful number, since it uses less digits than its factorization.

311300112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485430 (or 6485424 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 311300112 is about 17643.6989319133. The cubic root of 311300112 is about 677.7347575868.

Adding to 311300112 its reverse (211003113), we get a palindrome (522303225).

The spelling of 311300112 in words is "three hundred eleven million, three hundred thousand, one hundred twelve".