30383490187 has 2 divisors, whose sum is σ = 30383490188. Its totient is φ = 30383490186.

The previous prime is 30383490173. The next prime is 30383490209. The reversal of 30383490187 is 78109438303.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30383490187 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (30383490157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15191745093 + 15191745094.

It is an arithmetic number, because the mean of its divisors is an integer number (15191745094).

Almost surely, 2^30383490187 is an apocalyptic number.

30383490187 is a deficient number, since it is larger than the sum of its proper divisors (1).

30383490187 is an equidigital number, since it uses as much as digits as its factorization.

30383490187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 30383490187 in words is "thirty billion, three hundred eighty-three million, four hundred ninety thousand, one hundred eighty-seven".