3191042 has 8 divisors (see below), whose sum is σ = 4798332. Its totient is φ = 1591600.

The previous prime is 3191039. The next prime is 3191059. The reversal of 3191042 is 2401913.

It can be written as a sum of positive squares in 2 ways, for example, as 2989441 + 201601 = 1729^2 + 449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809 + ... + 2652.

Almost surely, 2^3191042 is an apocalyptic number.

3191042 is a deficient number, since it is larger than the sum of its proper divisors (1607290).

3191042 is a wasteful number, since it uses less digits than its factorization.

3191042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3191042 is about 1786.3487901303. The cubic root of 3191042 is about 147.2236249593.

Adding to 3191042 its reverse (2401913), we get a palindrome (5592955).

The spelling of 3191042 in words is "three million, one hundred ninety-one thousand, forty-two".