30313020012 has 24 divisors (see below), whose sum is σ = 77160414912. Its totient is φ = 9185763600.

The previous prime is 30313019999. The next prime is 30313020029. The reversal of 30313020012 is 21002031303.

It is a junction number, because it is equal to n+sod(n) for n = 30313019973 and 30313020000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114821914 + ... + 114822177.

It is an arithmetic number, because the mean of its divisors is an integer number (3215017288).

Almost surely, 2^30313020012 is an apocalyptic number.

It is an amenable number.

30313020012 is an abundant number, since it is smaller than the sum of its proper divisors (46847394900).

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

30313020012 is a wasteful number, since it uses less digits than its factorization.

30313020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229644109 (or 229644107 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30313020012 its reverse (21002031303), we get a palindrome (51315051315).

The spelling of 30313020012 in words is "thirty billion, three hundred thirteen million, twenty thousand, twelve".