It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 130301 = 229 ⋅569.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103031.
2103031 is an apocalyptic number.
103031 is an equidigital number, since it uses as much as digits as its factorization.
103031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 720.
The square root of 103031 is about 320.9844232981. The cubic root of 103031 is about 46.8801837230.
Adding to 103031 its reverse (130301), we get a palindrome (233332).
The spelling of 103031 in words is "one hundred three thousand, thirty-one".