331432332 has 96 divisors (see below), whose sum is σ = 967626240. Its totient is φ = 85777920.

The previous prime is 331432313. The next prime is 331432403. The reversal of 331432332 is 233234133.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377478 + ... + 378354.

It is an arithmetic number, because the mean of its divisors is an integer number (10079440).

Almost surely, 2^331432332 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 331432332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483813120).

331432332 is an abundant number, since it is smaller than the sum of its proper divisors (636193908).

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

331432332 is a wasteful number, since it uses less digits than its factorization.

331432332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1309 counting only the distinct ones).

The product of its digits is 3888, while the sum is 24.

The square root of 331432332 is about 18205.2830793701. The cubic root of 331432332 is about 692.0406800013.

Adding to 331432332 its reverse (233234133), we get a palindrome (564666465).

The spelling of 331432332 in words is "three hundred thirty-one million, four hundred thirty-two thousand, three hundred thirty-two".