6811331 has 2 divisors, whose sum is σ = 6811332. Its totient is φ = 6811330.

The previous prime is 6811327. The next prime is 6811333. The reversal of 6811331 is 1331186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6811331 - 2² = 6811327 is a prime.

It is a super-2 number, since 2×6811331² = 92788459983122, which contains 22 as substring.

Together with 6811333, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 6811297 and 6811306.

It is not a weakly prime, because it can be changed into another prime (6811333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405665 + 3405666.

It is an arithmetic number, because the mean of its divisors is an integer number (3405666).

Almost surely, 2^6811331 is an apocalyptic number.

6811331 is a deficient number, since it is larger than the sum of its proper divisors (1).

6811331 is an equidigital number, since it uses as much as digits as its factorization.

6811331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 6811331 is about 2609.8526778345. The cubic root of 6811331 is about 189.5588193988.

The spelling of 6811331 in words is "six million, eight hundred eleven thousand, three hundred thirty-one".