331320404 has 24 divisors (see below), whose sum is σ = 611032800. Its totient is φ = 156759840.

The previous prime is 331320403. The next prime is 331320413. The reversal of 331320404 is 404023133.

331320404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331320403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82319 + ... + 86249.

It is an arithmetic number, because the mean of its divisors is an integer number (25459700).

Almost surely, 2^331320404 is an apocalyptic number.

It is an amenable number.

331320404 is a deficient number, since it is larger than the sum of its proper divisors (279712396).

331320404 is a wasteful number, since it uses less digits than its factorization.

331320404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063 (or 5061 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 331320404 is about 18202.2087670700. The cubic root of 331320404 is about 691.9627682197.

Adding to 331320404 its reverse (404023133), we get a palindrome (735343537).

The spelling of 331320404 in words is "three hundred thirty-one million, three hundred twenty thousand, four hundred four".