30116071 has 4 divisors (see below), whose sum is σ = 30128152. Its totient is φ = 30103992.

The previous prime is 30116069. The next prime is 30116081. The reversal of 30116071 is 17061103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17061103 = 4021 ⋅4243.

It is a cyclic number.

It is not a de Polignac number, because 30116071 - 2¹ = 30116069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30116041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765 + ... + 7798.

It is an arithmetic number, because the mean of its divisors is an integer number (7532038).

Almost surely, 2^30116071 is an apocalyptic number.

30116071 is a deficient number, since it is larger than the sum of its proper divisors (12081).

30116071 is an equidigital number, since it uses as much as digits as its factorization.

30116071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080.

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

The square root of 30116071 is about 5487.8111301319. The cubic root of 30116071 is about 311.1234677585.

Adding to 30116071 its reverse (17061103), we get a palindrome (47177174).

The spelling of 30116071 in words is "thirty million, one hundred sixteen thousand, seventy-one".