311315004112 has 80 divisors (see below), whose sum is σ = 692626204800. Its totient is φ = 132785809920.

The previous prime is 311315004101. The next prime is 311315004113. The reversal of 311315004112 is 211400513113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311315004113) 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, 31960939 + ... + 31970677.

It is an arithmetic number, because the mean of its divisors is an integer number (8657827560).

Almost surely, 2^311315004112 is an apocalyptic number.

It is an amenable number.

311315004112 is an abundant number, since it is smaller than the sum of its proper divisors (381311200688).

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

311315004112 is a wasteful number, since it uses less digits than its factorization.

311315004112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084 (or 11078 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 311315004112 its reverse (211400513113), we get a palindrome (522715517225).

The spelling of 311315004112 in words is "three hundred eleven billion, three hundred fifteen million, four thousand, one hundred twelve".