231707 has 8 divisors (see below), whose sum is σ = 268800. Its totient is φ = 195624.

The previous prime is 231701. The next prime is 231709. The reversal of 231707 is 707132.

231707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231707 - 2⁶ = 231643 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 231707.

It is not an unprimeable number, because it can be changed into a prime (231701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (33600).

2²³¹⁷⁰⁷ is an apocalyptic number.

231707 is a deficient number, since it is larger than the sum of its proper divisors (37093).

231707 is an equidigital number, since it uses as much as digits as its factorization.

231707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 231707 is about 481.3595329896. The cubic root of 231707 is about 61.4204581213.

Adding to 231707 its reverse (707132), we get a palindrome (938839).

The spelling of 231707 in words is "two hundred thirty-one thousand, seven hundred seven".