2331191 has 2 divisors, whose sum is σ = 2331192. Its totient is φ = 2331190.

The previous prime is 2331187. The next prime is 2331253. The reversal of 2331191 is 1911332.

2331191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2331191 - 2² = 2331187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165595 + 1165596.

It is an arithmetic number, because the mean of its divisors is an integer number (1165596).

2^2331191 is an apocalyptic number.

2331191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331191 is an equidigital number, since it uses as much as digits as its factorization.

2331191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 20.

The square root of 2331191 is about 1526.8238274274. The cubic root of 2331191 is about 132.5946351341.

The spelling of 2331191 in words is "two million, three hundred thirty-one thousand, one hundred ninety-one".