30116161 has 2 divisors, whose sum is σ = 30116162. Its totient is φ = 30116160.

The previous prime is 30116153. The next prime is 30116183. The reversal of 30116161 is 16161103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24206400 + 5909761 = 4920^2 + 2431^2 .

It is a cyclic number.

It is not a de Polignac number, because 30116161 - 2³ = 30116153 is a prime.

It is not a weakly prime, because it can be changed into another prime (30116101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15058080 + 15058081.

It is an arithmetic number, because the mean of its divisors is an integer number (15058081).

Almost surely, 2^30116161 is an apocalyptic number.

It is an amenable number.

30116161 is a deficient number, since it is larger than the sum of its proper divisors (1).

30116161 is an equidigital number, since it uses as much as digits as its factorization.

30116161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 30116161 is about 5487.8193301165. The cubic root of 30116161 is about 311.1237776825.

Adding to 30116161 its reverse (16161103), we get a palindrome (46277264).

The spelling of 30116161 in words is "thirty million, one hundred sixteen thousand, one hundred sixty-one".