331042216 has 16 divisors (see below), whose sum is σ = 621072000. Its totient is φ = 165423024.

The previous prime is 331042213. The next prime is 331042237. The reversal of 331042216 is 612240133.

It is not an unprimeable number, because it can be changed into a prime (331042213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3235 + ... + 25933.

It is an arithmetic number, because the mean of its divisors is an integer number (38817000).

Almost surely, 2^331042216 is an apocalyptic number.

It is an amenable number.

331042216 is a deficient number, since it is larger than the sum of its proper divisors (290029784).

331042216 is a wasteful number, since it uses less digits than its factorization.

331042216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24528 (or 24524 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 331042216 is about 18194.5655622771. The cubic root of 331042216 is about 691.7690487498.

Adding to 331042216 its reverse (612240133), we get a palindrome (943282349).

The spelling of 331042216 in words is "three hundred thirty-one million, forty-two thousand, two hundred sixteen".