30336161 has 4 divisors (see below), whose sum is σ = 30354324. Its totient is φ = 30318000.

The previous prime is 30336151. The next prime is 30336167. The reversal of 30336161 is 16163303.

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 9579025 + 20757136 = 3095^2 + 4556^2 .

It is a cyclic number.

It is not a de Polignac number, because 30336161 - 2¹⁴ = 30319777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30336167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6290 + ... + 10011.

It is an arithmetic number, because the mean of its divisors is an integer number (7588581).

Almost surely, 2^30336161 is an apocalyptic number.

It is an amenable number.

30336161 is a deficient number, since it is larger than the sum of its proper divisors (18163).

30336161 is a wasteful number, since it uses less digits than its factorization.

30336161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18162.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 30336161 is about 5507.8272485618. The cubic root of 30336161 is about 311.8795317566.

Adding to 30336161 its reverse (16163303), we get a palindrome (46499464).

The spelling of 30336161 in words is "thirty million, three hundred thirty-six thousand, one hundred sixty-one".