6811231 has 4 divisors (see below), whose sum is σ = 7784272. Its totient is φ = 5838192.

The previous prime is 6811223. The next prime is 6811247. The reversal of 6811231 is 1321186.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1321186 = 2 ⋅660593.

It is a cyclic number.

It is not a de Polignac number, because 6811231 - 2³ = 6811223 is a prime.

It is a super-2 number, since 2×6811231² = 92785735470722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486510 + ... + 486523.

It is an arithmetic number, because the mean of its divisors is an integer number (1946068).

Almost surely, 2^6811231 is an apocalyptic number.

6811231 is a deficient number, since it is larger than the sum of its proper divisors (973041).

6811231 is an equidigital number, since it uses as much as digits as its factorization.

6811231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973040.

The product of its digits is 288, while the sum is 22.

The square root of 6811231 is about 2609.8335195947. The cubic root of 6811231 is about 189.5578917301.

The spelling of 6811231 in words is "six million, eight hundred eleven thousand, two hundred thirty-one".