30947116 has 12 divisors (see below), whose sum is σ = 54359200. Its totient is φ = 15415920.

The previous prime is 30947113. The next prime is 30947117. The reversal of 30947116 is 61174903.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30947113) 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, 13191 + ... + 15358.

Almost surely, 2^30947116 is an apocalyptic number.

It is an amenable number.

30947116 is a deficient number, since it is larger than the sum of its proper divisors (23412084).

30947116 is a wasteful number, since it uses less digits than its factorization.

30947116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28824 (or 28822 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 30947116 is about 5563.0132122798. The cubic root of 30947116 is about 313.9593304731.

The spelling of 30947116 in words is "thirty million, nine hundred forty-seven thousand, one hundred sixteen".