30107161 has 16 divisors (see below), whose sum is σ = 36787968. Its totient is φ = 24076800.

The previous prime is 30107149. The next prime is 30107167. The reversal of 30107161 is 16170103.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30107161 - 2²³ = 21718553 is a prime.

It is a super-2 number, since 2×30107161² = 1812882286959842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30107167) 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 15 ways as a sum of consecutive naturals, for example, 4321 + ... + 8881.

It is an arithmetic number, because the mean of its divisors is an integer number (2299248).

Almost surely, 2^30107161 is an apocalyptic number.

It is an amenable number.

30107161 is a deficient number, since it is larger than the sum of its proper divisors (6680807).

30107161 is a wasteful number, since it uses less digits than its factorization.

30107161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 30107161 is about 5486.9992710041. Note that the first 3 decimals coincide. The cubic root of 30107161 is about 311.0927822205.

Adding to 30107161 its reverse (16170103), we get a palindrome (46277264).

The spelling of 30107161 in words is "thirty million, one hundred seven thousand, one hundred sixty-one".