331243404 has 48 divisors (see below), whose sum is σ = 798336000. Its totient is φ = 106834816.

The previous prime is 331243403. The next prime is 331243417. The reversal of 331243404 is 404342133.

It is not an unprimeable number, because it can be changed into a prime (331243403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46897 + ... + 53495.

It is an arithmetic number, because the mean of its divisors is an integer number (16632000).

Almost surely, 2^331243404 is an apocalyptic number.

It is an amenable number.

331243404 is an abundant number, since it is smaller than the sum of its proper divisors (467092596).

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

331243404 is a wasteful number, since it uses less digits than its factorization.

331243404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742 (or 6740 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 331243404 is about 18200.0935162433. The cubic root of 331243404 is about 691.9091592251.

Adding to 331243404 its reverse (404342133), we get a palindrome (735585537).

The spelling of 331243404 in words is "three hundred thirty-one million, two hundred forty-three thousand, four hundred four".