331107842 has 24 divisors (see below), whose sum is σ = 538900596. Its totient is φ = 152508096.

The previous prime is 331107811. The next prime is 331107899. The reversal of 331107842 is 248701133.

It can be written as a sum of positive squares in 6 ways, for example, as 28313041 + 302794801 = 5321^2 + 17401^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295868 + ... + 296984.

Almost surely, 2^331107842 is an apocalyptic number.

331107842 is a deficient number, since it is larger than the sum of its proper divisors (207792754).

331107842 is a wasteful number, since it uses less digits than its factorization.

331107842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 331107842 is about 18196.3689234968. The cubic root of 331107842 is about 691.8147579614.

Adding to 331107842 its reverse (248701133), we get a palindrome (579808975).

The spelling of 331107842 in words is "three hundred thirty-one million, one hundred seven thousand, eight hundred forty-two".