30680147 has 2 divisors, whose sum is σ = 30680148. Its totient is φ = 30680146.

The previous prime is 30680131. The next prime is 30680159. The reversal of 30680147 is 74108603.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30680147 - 2⁴ = 30680131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30680107) 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, 15340073 + 15340074.

It is an arithmetic number, because the mean of its divisors is an integer number (15340074).

Almost surely, 2^30680147 is an apocalyptic number.

30680147 is a deficient number, since it is larger than the sum of its proper divisors (1).

30680147 is an equidigital number, since it uses as much as digits as its factorization.

30680147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 30680147 is about 5538.9662392905. The cubic root of 30680147 is about 313.0539193347.

The spelling of 30680147 in words is "thirty million, six hundred eighty thousand, one hundred forty-seven".