311327816 has 32 divisors (see below), whose sum is σ = 610718400. Its totient is φ = 148505280.

The previous prime is 311327813. The next prime is 311327831. The reversal of 311327816 is 618723113.

311327816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (311327813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75455 + ... + 79473.

It is an arithmetic number, because the mean of its divisors is an integer number (19084950).

Almost surely, 2^311327816 is an apocalyptic number.

It is an amenable number.

311327816 is a deficient number, since it is larger than the sum of its proper divisors (299390584).

311327816 is a wasteful number, since it uses less digits than its factorization.

311327816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469 (or 4465 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 311327816 is about 17644.4840105910. The cubic root of 311327816 is about 677.7548618806.

The spelling of 311327816 in words is "three hundred eleven million, three hundred twenty-seven thousand, eight hundred sixteen".