30218066803 has 4 divisors (see below), whose sum is σ = 30235247680. Its totient is φ = 30200885928.

The previous prime is 30218066741. The next prime is 30218066821. The reversal of 30218066803 is 30866081203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30218066803 is a prime.

It is a super-2 number, since 2×30218066803² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30218066843) 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 in 3 ways as a sum of consecutive naturals, for example, 8587800 + ... + 8591317.

It is an arithmetic number, because the mean of its divisors is an integer number (7558811920).

Almost surely, 2^30218066803 is an apocalyptic number.

30218066803 is a deficient number, since it is larger than the sum of its proper divisors (17180877).

30218066803 is a wasteful number, since it uses less digits than its factorization.

30218066803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17180876.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 30218066803 in words is "thirty billion, two hundred eighteen million, sixty-six thousand, eight hundred three".