3161191 has 8 divisors (see below), whose sum is σ = 3488400. Its totient is φ = 2840640.

The previous prime is 3161183. The next prime is 3161209. The reversal of 3161191 is 1911613.

It is a happy number.

3161191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3161191 - 2³ = 3161183 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161131) 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 in 7 ways as a sum of consecutive naturals, for example, 636 + ... + 2593.

It is an arithmetic number, because the mean of its divisors is an integer number (436050).

Almost surely, 2^3161191 is an apocalyptic number.

3161191 is a deficient number, since it is larger than the sum of its proper divisors (327209).

3161191 is a wasteful number, since it uses less digits than its factorization.

3161191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329.

The product of its digits is 162, while the sum is 22.

The square root of 3161191 is about 1777.9738468268. The cubic root of 3161191 is about 146.7631120704.

The spelling of 3161191 in words is "three million, one hundred sixty-one thousand, one hundred ninety-one".