331068 has 24 divisors (see below), whose sum is σ = 790272. Its totient is φ = 107824.

The previous prime is 331063. The next prime is 331081. The reversal of 331068 is 860133.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331063) by changing a digit.

331068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271 + ... + 857.

It is an arithmetic number, because the mean of its divisors is an integer number (32928).

2³³¹⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

331068 is an abundant number, since it is smaller than the sum of its proper divisors (459204).

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

331068 is a wasteful number, since it uses less digits than its factorization.

331068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 331068 is about 575.3850884408. The cubic root of 331068 is about 69.1787008302.

The spelling of 331068 in words is "three hundred thirty-one thousand, sixty-eight".