30130687 has 2 divisors, whose sum is σ = 30130688. Its totient is φ = 30130686.

The previous prime is 30130673. The next prime is 30130703. The reversal of 30130687 is 78603103.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30130687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30130627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065343 + 15065344.

It is an arithmetic number, because the mean of its divisors is an integer number (15065344).

Almost surely, 2^30130687 is an apocalyptic number.

30130687 is a deficient number, since it is larger than the sum of its proper divisors (1).

30130687 is an equidigital number, since it uses as much as digits as its factorization.

30130687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 30130687 is about 5489.1426470807. The cubic root of 30130687 is about 311.1737913344.

The spelling of 30130687 in words is "thirty million, one hundred thirty thousand, six hundred eighty-seven".