30320311218 has 8 divisors (see below), whose sum is σ = 60640622448. Its totient is φ = 10106770404.

The previous prime is 30320311211. The next prime is 30320311261. The reversal of 30320311218 is 81211302303.

It is a sphenic number, since it is the product of 3 distinct primes.

30320311218 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30320311211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526692596 + ... + 2526692607.

It is an arithmetic number, because the mean of its divisors is an integer number (7580077806).

Almost surely, 2^30320311218 is an apocalyptic number.

30320311218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30320311218 is a wasteful number, since it uses less digits than its factorization.

30320311218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053385208.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 30320311218 in words is "thirty billion, three hundred twenty million, three hundred eleven thousand, two hundred eighteen".