311320000312 has 32 divisors (see below), whose sum is σ = 588283534080. Its totient is φ = 154444806880.

The previous prime is 311320000289. The next prime is 311320000339. The reversal of 311320000312 is 213000023113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6855393 + ... + 6900655.

It is an arithmetic number, because the mean of its divisors is an integer number (18383860440).

Almost surely, 2^311320000312 is an apocalyptic number.

It is an amenable number.

311320000312 is a deficient number, since it is larger than the sum of its proper divisors (276963533768).

311320000312 is a wasteful number, since it uses less digits than its factorization.

311320000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51963 (or 51959 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 311320000312 its reverse (213000023113), we get a palindrome (524320023425).

The spelling of 311320000312 in words is "three hundred eleven billion, three hundred twenty million, three hundred twelve", and thus it is an aban number.