30031112312 has 16 divisors (see below), whose sum is σ = 56888835360. Its totient is φ = 14860756224.

The previous prime is 30031112311. The next prime is 30031112347. The reversal of 30031112312 is 21321113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031112311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19349168 + ... + 19350719.

It is an arithmetic number, because the mean of its divisors is an integer number (3555552210).

Almost surely, 2^30031112312 is an apocalyptic number.

It is an amenable number.

30031112312 is a deficient number, since it is larger than the sum of its proper divisors (26857723048).

30031112312 is a wasteful number, since it uses less digits than its factorization.

30031112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38699990 (or 38699986 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30031112312 its reverse (21321113003), we get a palindrome (51352225315).

The spelling of 30031112312 in words is "thirty billion, thirty-one million, one hundred twelve thousand, three hundred twelve".