68231 has 6 divisors (see below), whose sum is σ = 71496. Its totient is φ = 65100.

The previous prime is 68227. The next prime is 68239. The reversal of 68231 is 13286.

It is not a de Polignac number, because 68231 - 2² = 68227 is a prime.

It is a super-2 number, since 2×68231² = 9310938722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68239) 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 in 5 ways as a sum of consecutive naturals, for example, 926 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (11916).

2⁶⁸²³¹ is an apocalyptic number.

68231 is a deficient number, since it is larger than the sum of its proper divisors (3265).

68231 is an equidigital number, since it uses as much as digits as its factorization.

68231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 102 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 68231 is about 261.2106429685. The cubic root of 68231 is about 40.8627175234.

Subtracting from 68231 its reverse (13286), we obtain a palindrome (54945).

The spelling of 68231 in words is "sixty-eight thousand, two hundred thirty-one".