231008 has 12 divisors (see below), whose sum is σ = 454860. Its totient is φ = 115488.

The previous prime is 231001. The next prime is 231017. The reversal of 231008 is 800132.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 230983 and 231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578 + ... + 3641.

It is an arithmetic number, because the mean of its divisors is an integer number (37905).

2²³¹⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

231008 is a deficient number, since it is larger than the sum of its proper divisors (223852).

231008 is an equidigital number, since it uses as much as digits as its factorization.

231008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229 (or 7221 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 231008 is about 480.6329160596. The cubic root of 231008 is about 61.3586327050.

The spelling of 231008 in words is "two hundred thirty-one thousand, eight".