30380320871 has 4 divisors (see below), whose sum is σ = 30532986000. Its totient is φ = 30227655744.

The previous prime is 30380320823. The next prime is 30380320897. The reversal of 30380320871 is 17802308303.

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

It is a cyclic number.

It is not a de Polignac number, because 30380320871 - 2¹⁰ = 30380319847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30380320471) 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 in 3 ways as a sum of consecutive naturals, for example, 76332266 + ... + 76332663.

It is an arithmetic number, because the mean of its divisors is an integer number (7633246500).

Almost surely, 2^30380320871 is an apocalyptic number.

30380320871 is a deficient number, since it is larger than the sum of its proper divisors (152665129).

30380320871 is a wasteful number, since it uses less digits than its factorization.

30380320871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152665128.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 30380320871 in words is "thirty billion, three hundred eighty million, three hundred twenty thousand, eight hundred seventy-one".