331224112 has 60 divisors (see below), whose sum is σ = 689361880. Its totient is φ = 153743616.

The previous prime is 331224071. The next prime is 331224121. The reversal of 331224112 is 211422133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 331224112.

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 11 ways as a sum of consecutive naturals, for example, 1058068 + ... + 1058380.

Almost surely, 2^331224112 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 331224112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344680940).

331224112 is an abundant number, since it is smaller than the sum of its proper divisors (358137768).

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

331224112 is a wasteful number, since it uses less digits than its factorization.

331224112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 393 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 331224112 is about 18199.5635112494. The cubic root of 331224112 is about 691.8957264337.

Adding to 331224112 its reverse (211422133), we get a palindrome (542646245).

The spelling of 331224112 in words is "three hundred thirty-one million, two hundred twenty-four thousand, one hundred twelve".