3141181 has 4 divisors (see below), whose sum is σ = 3146364. Its totient is φ = 3136000.

The previous prime is 3141167. The next prime is 3141197. The reversal of 3141181 is 1811413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 549081 = 1610^2 + 741^2 .

It is a 5-Lehmer number, since φ(3141181) divides (3141181-1)⁵.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3141181 is a prime.

It is a super-2 number, since 2×3141181² = 19734036149522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (786591).

Almost surely, 2^3141181 is an apocalyptic number.

It is an amenable number.

3141181 is a deficient number, since it is larger than the sum of its proper divisors (5183).

3141181 is an equidigital number, since it uses as much as digits as its factorization.

3141181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182.

The product of its digits is 96, while the sum is 19.

The square root of 3141181 is about 1772.3377217675. The cubic root of 3141181 is about 146.4527914612.

Adding to 3141181 its reverse (1811413), we get a palindrome (4952594).

The spelling of 3141181 in words is "three million, one hundred forty-one thousand, one hundred eighty-one".