311718984 has 16 divisors (see below), whose sum is σ = 779297520. Its totient is φ = 103906320.

The previous prime is 311718949. The next prime is 311719003. The reversal of 311718984 is 489817113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6494122 + ... + 6494169.

It is an arithmetic number, because the mean of its divisors is an integer number (48706095).

Almost surely, 2^311718984 is an apocalyptic number.

It is an amenable number.

311718984 is an abundant number, since it is smaller than the sum of its proper divisors (467578536).

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

311718984 is a wasteful number, since it uses less digits than its factorization.

311718984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12988300 (or 12988296 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 311718984 is about 17655.5652415888. The cubic root of 311718984 is about 678.0385982324.

The spelling of 311718984 in words is "three hundred eleven million, seven hundred eighteen thousand, nine hundred eighty-four".