4231181 has 4 divisors (see below), whose sum is σ = 4480092. Its totient is φ = 3982272.

The previous prime is 4231177. The next prime is 4231189. The reversal of 4231181 is 1811324.

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 2102500 + 2128681 = 1450^2 + 1459^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231181 - 2² = 4231177 is a prime.

It is a super-2 number, since 2×4231181² = 35805785309522, 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 (4231189) 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, 124430 + ... + 124463.

It is an arithmetic number, because the mean of its divisors is an integer number (1120023).

Almost surely, 2^4231181 is an apocalyptic number.

It is an amenable number.

4231181 is a deficient number, since it is larger than the sum of its proper divisors (248911).

4231181 is a wasteful number, since it uses less digits than its factorization.

4231181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248910.

The product of its digits is 192, while the sum is 20.

The square root of 4231181 is about 2056.9834710080. The cubic root of 4231181 is about 161.7411529552.

The spelling of 4231181 in words is "four million, two hundred thirty-one thousand, one hundred eighty-one".