It is an unprimeable number.
2231880 is an apocalyptic number.
231880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231880 is a wasteful number, since it uses less digits than its factorization.
231880 is an evil number, because the sum of its binary digits is even.
The square root of 231880 is about 481.5391988198. The cubic root of 231880 is about 61.4357404907.
The spelling of 231880 in words is "two hundred thirty-one thousand, eight hundred eighty".