331133404 has 12 divisors (see below), whose sum is σ = 662266864. Its totient is φ = 141914304.

The previous prime is 331133303. The next prime is 331133417. The reversal of 331133404 is 404331133.

It is a happy number.

331133404 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5913069 + ... + 5913124.

Almost surely, 2^331133404 is an apocalyptic number.

It is an amenable number.

331133404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

331133404 is a wasteful number, since it uses less digits than its factorization.

331133404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11826204 (or 11826202 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 331133404 is about 18197.0713028223. The cubic root of 331133404 is about 691.8325605335.

Adding to 331133404 its reverse (404331133), we get a palindrome (735464537).

The spelling of 331133404 in words is "three hundred thirty-one million, one hundred thirty-three thousand, four hundred four".