8163231 has 8 divisors (see below), whose sum is σ = 10912560. Its totient is φ = 5428032.

The previous prime is 8163227. The next prime is 8163241. The reversal of 8163231 is 1323618.

8163231 is digitally balanced in base 3, 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 not a de Polignac number, because 8163231 - 2² = 8163227 is a prime.

It is a super-2 number, since 2×8163231² = 133276680718722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8163241) 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, 2100 + ... + 4553.

It is an arithmetic number, because the mean of its divisors is an integer number (1364070).

Almost surely, 2^8163231 is an apocalyptic number.

8163231 is a deficient number, since it is larger than the sum of its proper divisors (2749329).

8163231 is a wasteful number, since it uses less digits than its factorization.

8163231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065.

The product of its digits is 864, while the sum is 24.

The square root of 8163231 is about 2857.1368535651. The cubic root of 8163231 is about 201.3511102846.

Adding to 8163231 its reverse (1323618), we get a palindrome (9486849).

The spelling of 8163231 in words is "eight million, one hundred sixty-three thousand, two hundred thirty-one".