331383888 has 120 divisors (see below), whose sum is σ = 1020086496. Its totient is φ = 99590400.

The previous prime is 331383869. The next prime is 331383889. The reversal of 331383888 is 888383133.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331383889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206706 + ... + 208302.

Almost surely, 2^331383888 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 331383888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510043248).

331383888 is an abundant number, since it is smaller than the sum of its proper divisors (688702608).

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

331383888 is a wasteful number, since it uses less digits than its factorization.

331383888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753 (or 1744 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 331383888 is about 18203.9525378419. The cubic root of 331383888 is about 692.0069608486.

The spelling of 331383888 in words is "three hundred thirty-one million, three hundred eighty-three thousand, eight hundred eighty-eight".