311324403312 has 120 divisors (see below), whose sum is σ = 973049064624. Its totient is φ = 95792108544.

The previous prime is 311324403301. The next prime is 311324403389. The reversal of 311324403312 is 213304423113.

It is a happy number.

311324403312 is a `hidden beast` number, since 3 + 1 + 1 + 324 + 4 + 0 + 331 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3029193 + ... + 3130280.

Almost surely, 2^311324403312 is an apocalyptic number.

It is an amenable number.

311324403312 is an abundant number, since it is smaller than the sum of its proper divisors (661724661312).

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

311324403312 is a wasteful number, since it uses less digits than its factorization.

311324403312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159509 (or 6159491 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 311324403312 its reverse (213304423113), we get a palindrome (524628826425).

The spelling of 311324403312 in words is "three hundred eleven billion, three hundred twenty-four million, four hundred three thousand, three hundred twelve".