4181310181 has 2 divisors, whose sum is σ = 4181310182. Its totient is φ = 4181310180.

The previous prime is 4181310151. The next prime is 4181310223. The reversal of 4181310181 is 1810131814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3025990081 + 1155320100 = 55009^2 + 33990^2 .

It is a cyclic number.

It is not a de Polignac number, because 4181310181 - 2⁵ = 4181310149 is a prime.

It is a super-2 number, since 2×4181310181² = 34966709659468505522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4181310151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090655090 + 2090655091.

It is an arithmetic number, because the mean of its divisors is an integer number (2090655091).

Almost surely, 2^4181310181 is an apocalyptic number.

It is an amenable number.

4181310181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4181310181 is an equidigital number, since it uses as much as digits as its factorization.

4181310181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 28.

The square root of 4181310181 is about 64663.0511265901. The cubic root of 4181310181 is about 1611.0318579853.

Adding to 4181310181 its reverse (1810131814), we get a palindrome (5991441995).

The spelling of 4181310181 in words is "four billion, one hundred eighty-one million, three hundred ten thousand, one hundred eighty-one".