331312004 has 24 divisors (see below), whose sum is σ = 599456256. Its totient is φ = 160056000.

The previous prime is 331312001. The next prime is 331312019. The reversal of 331312004 is 400213133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (331312001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 92609 + ... + 96119.

It is an arithmetic number, because the mean of its divisors is an integer number (24977344).

Almost surely, 2^331312004 is an apocalyptic number.

It is an amenable number.

331312004 is a deficient number, since it is larger than the sum of its proper divisors (268144252).

331312004 is a wasteful number, since it uses less digits than its factorization.

331312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307 (or 4305 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 331312004 is about 18201.9780243797. The cubic root of 331312004 is about 691.9569203694.

Adding to 331312004 its reverse (400213133), we get a palindrome (731525137).

The spelling of 331312004 in words is "three hundred thirty-one million, three hundred twelve thousand, four".