331683 has 24 divisors (see below), whose sum is σ = 530880. Its totient is φ = 182160.

The previous prime is 331663. The next prime is 331691. The reversal of 331683 is 386133.

It is not a de Polignac number, because 331683 - 2⁵ = 331651 is a prime.

It is a super-2 number, since 2×331683² = 220027224978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14410 + ... + 14432.

It is an arithmetic number, because the mean of its divisors is an integer number (22120).

331683 is a Friedman number, since it can be written as ((8*6)^3-31)*3, using all its digits and the basic arithmetic operations.

2³³¹⁶⁸³ is an apocalyptic number.

331683 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

331683 is a deficient number, since it is larger than the sum of its proper divisors (199197).

331683 is a wasteful number, since it uses less digits than its factorization.

331683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 56 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 331683 is about 575.9192651753. The cubic root of 331683 is about 69.2215103477.

The spelling of 331683 in words is "three hundred thirty-one thousand, six hundred eighty-three".