30301161 has 32 divisors (see below), whose sum is σ = 45619200. Its totient is φ = 17734080.

The previous prime is 30301147. The next prime is 30301163. The reversal of 30301161 is 16110303.

It is not a de Polignac number, because 30301161 - 2¹⁵ = 30268393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30301161.

It is not an unprimeable number, because it can be changed into a prime (30301163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153715 + ... + 153911.

It is an arithmetic number, because the mean of its divisors is an integer number (1425600).

Almost surely, 2^30301161 is an apocalyptic number.

It is an amenable number.

30301161 is a deficient number, since it is larger than the sum of its proper divisors (15318039).

30301161 is a wasteful number, since it uses less digits than its factorization.

30301161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 30301161 is about 5504.6490351338. The cubic root of 30301161 is about 311.7595431146.

Adding to 30301161 its reverse (16110303), we get a palindrome (46411464).

The spelling of 30301161 in words is "thirty million, three hundred one thousand, one hundred sixty-one".