331313332 has 24 divisors (see below), whose sum is σ = 666856064. Its totient is φ = 141085152.

The previous prime is 331313303. The next prime is 331313351. The reversal of 331313332 is 233313133.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33288 + ... + 42079.

Almost surely, 2^331313332 is an apocalyptic number.

It is an amenable number.

331313332 is an abundant number, since it is smaller than the sum of its proper divisors (335542732).

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

331313332 is a wasteful number, since it uses less digits than its factorization.

331313332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75535 (or 75533 counting only the distinct ones).

The product of its digits is 1458, while the sum is 22.

The square root of 331313332 is about 18202.0145038949. The cubic root of 331313332 is about 691.9578448933.

Adding to 331313332 its reverse (233313133), we get a palindrome (564626465).

It can be divided in two parts, 33131 and 3332, that added together give a palindrome (36463).

The spelling of 331313332 in words is "three hundred thirty-one million, three hundred thirteen thousand, three hundred thirty-two".