331332212 has 12 divisors (see below), whose sum is σ = 585809700. Its totient is φ = 163958016.

The previous prime is 331332173. The next prime is 331332257. The reversal of 331332212 is 212233133.

It can be written as a sum of positive squares in 2 ways, for example, as 88096996 + 243235216 = 9386^2 + 15596^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426587 + ... + 427362.

It is an arithmetic number, because the mean of its divisors is an integer number (48817475).

Almost surely, 2^331332212 is an apocalyptic number.

It is an amenable number.

331332212 is a deficient number, since it is larger than the sum of its proper divisors (254477488).

331332212 is a wasteful number, since it uses less digits than its factorization.

331332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854050 (or 854048 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 331332212 is about 18202.5331204204. The cubic root of 331332212 is about 691.9709884593.

Adding to 331332212 its reverse (212233133), we get a palindrome (543565345).

The spelling of 331332212 in words is "three hundred thirty-one million, three hundred thirty-two thousand, two hundred twelve".