3191039 has 2 divisors, whose sum is σ = 3191040. Its totient is φ = 3191038.

The previous prime is 3191021. The next prime is 3191059. The reversal of 3191039 is 9301913.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3191039 - 2¹⁶ = 3125503 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3190999 and 3191017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3191059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595519 + 1595520.

It is an arithmetic number, because the mean of its divisors is an integer number (1595520).

Almost surely, 2^3191039 is an apocalyptic number.

3191039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3191039 is an equidigital number, since it uses as much as digits as its factorization.

3191039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 3191039 is about 1786.3479504285. The cubic root of 3191039 is about 147.2235788227.

The spelling of 3191039 in words is "three million, one hundred ninety-one thousand, thirty-nine".