331116816 has 20 divisors (see below), whose sum is σ = 855385232. Its totient is φ = 110372256.

The previous prime is 331116707. The next prime is 331116823. The reversal of 331116816 is 618611133.

331116816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3449086 + ... + 3449181.

Almost surely, 2^331116816 is an apocalyptic number.

It is an amenable number.

331116816 is an abundant number, since it is smaller than the sum of its proper divisors (524268416).

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

331116816 is a wasteful number, since it uses less digits than its factorization.

331116816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6898278 (or 6898272 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 331116816 is about 18196.6155094842. The cubic root of 331116816 is about 691.8210079790.

Adding to 331116816 its reverse (618611133), we get a palindrome (949727949).

The spelling of 331116816 in words is "three hundred thirty-one million, one hundred sixteen thousand, eight hundred sixteen".