231024 has 20 divisors (see below), whose sum is σ = 596936. Its totient is φ = 76992.
The previous prime is 231019. The next prime is 231031. The reversal of 231024 is 420132.
231024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
231024 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359 + ... + 2454.
2231024 is an apocalyptic number.
231024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
231024 is an abundant number, since it is smaller than the sum of its proper divisors (365912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231024 is a wasteful number, since it uses less digits than its factorization.
231024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4824 (or 4818 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 231024 is about 480.6495604908. The cubic root of 231024 is about 61.3600492728.
Adding to 231024 its reverse (420132), we get a palindrome (651156).
The spelling of 231024 in words is "two hundred thirty-one thousand, twenty-four".
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