331204044 has 12 divisors (see below), whose sum is σ = 772809464. Its totient is φ = 110401344.

The previous prime is 331204043. The next prime is 331204061. The reversal of 331204044 is 440402133.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×331204044² = 219392237523907872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331204044.

It is not an unprimeable number, because it can be changed into a prime (331204043) 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 3 ways as a sum of consecutive naturals, for example, 13800157 + ... + 13800180.

Almost surely, 2^331204044 is an apocalyptic number.

It is an amenable number.

331204044 is an abundant number, since it is smaller than the sum of its proper divisors (441605420).

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

331204044 is a wasteful number, since it uses less digits than its factorization.

331204044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27600344 (or 27600342 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 331204044 is about 18199.0121709943. The cubic root of 331204044 is about 691.8817527692.

Adding to 331204044 its reverse (440402133), we get a palindrome (771606177).

The spelling of 331204044 in words is "three hundred thirty-one million, two hundred four thousand, forty-four".