30081163 has 16 divisors (see below), whose sum is σ = 35020800. Its totient is φ = 25308000.

The previous prime is 30081131. The next prime is 30081179. The reversal of 30081163 is 36118003.

It is a cyclic number.

It is not a de Polignac number, because 30081163 - 2⁵ = 30081131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30085163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157398 + ... + 157588.

It is an arithmetic number, because the mean of its divisors is an integer number (2188800).

Almost surely, 2^30081163 is an apocalyptic number.

30081163 is a deficient number, since it is larger than the sum of its proper divisors (4939637).

30081163 is a wasteful number, since it uses less digits than its factorization.

30081163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 30081163 is about 5484.6297049117. The cubic root of 30081163 is about 311.0032119546.

Adding to 30081163 its reverse (36118003), we get a palindrome (66199166).

The spelling of 30081163 in words is "thirty million, eighty-one thousand, one hundred sixty-three".