311216847312 has 160 divisors (see below), whose sum is σ = 925212782592. Its totient is φ = 88302523392.

The previous prime is 311216847287. The next prime is 311216847377. The reversal of 311216847312 is 213748612113.

It is a nude number because it is divisible by every one of its digits.

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 31 ways as a sum of consecutive naturals, for example, 81192148 + ... + 81195980.

Almost surely, 2^311216847312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311216847312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462606391296).

311216847312 is an abundant number, since it is smaller than the sum of its proper divisors (613995935280).

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

311216847312 is a wasteful number, since it uses less digits than its factorization.

311216847312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465 (or 5459 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The spelling of 311216847312 in words is "three hundred eleven billion, two hundred sixteen million, eight hundred forty-seven thousand, three hundred twelve".