30180193 has 2 divisors, whose sum is σ = 30180194. Its totient is φ = 30180192.

The previous prime is 30180191. The next prime is 30180221. The reversal of 30180193 is 39108103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15303744 + 14876449 = 3912^2 + 3857^2 .

It is an emirp because it is prime and its reverse (39108103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30180193 - 2¹ = 30180191 is a prime.

Together with 30180191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30180191) 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, 15090096 + 15090097.

It is an arithmetic number, because the mean of its divisors is an integer number (15090097).

Almost surely, 2^30180193 is an apocalyptic number.

It is an amenable number.

30180193 is a deficient number, since it is larger than the sum of its proper divisors (1).

30180193 is an equidigital number, since it uses as much as digits as its factorization.

30180193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 30180193 is about 5493.6502436904. The cubic root of 30180193 is about 311.3441220053.

Adding to 30180193 its reverse (39108103), we get a palindrome (69288296).

The spelling of 30180193 in words is "thirty million, one hundred eighty thousand, one hundred ninety-three".