231250 has 24 divisors (see below), whose sum is σ = 445284. Its totient is φ = 90000.
The previous prime is 231241. The next prime is 231269. The reversal of 231250 is 52132.
231250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 3721 + 227529 = 61^2 + 477^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 231250.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6232 + ... + 6268.
2231250 is an apocalyptic number.
231250 is a deficient number, since it is larger than the sum of its proper divisors (214034).
231250 is an frugal number, since it uses more digits than its factorization.
231250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64 (or 44 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 231250 is about 480.8846015418. The cubic root of 231250 is about 61.3800513096.
Adding to 231250 its reverse (52132), we get a palindrome (283382).
It can be divided in two parts, 2312 and 50, that multiplied together give a square (115600 = 3402).
The spelling of 231250 in words is "two hundred thirty-one thousand, two hundred fifty".
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