It is a plaindrome in base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 31314.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 31314.
31314 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
231314 is an apocalyptic number.
31314 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31314 is a wasteful number, since it uses less digits than its factorization.
31314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329.
The square root of 31314 is about 176.9576220455. The cubic root of 31314 is about 31.5195142375.
Adding to 31314 its reverse (41313), we get a palindrome (72627).
Subtracting 31314 from its reverse (41313), we obtain a palindrome (9999).
The spelling of 31314 in words is "thirty-one thousand, three hundred fourteen".