30031233212 has 24 divisors (see below), whose sum is σ = 52653650112. Its totient is φ = 14987361600.

The previous prime is 30031233203. The next prime is 30031233241. The reversal of 30031233212 is 21233213003.

It is a congruent number.

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, 7303037 + ... + 7307147.

It is an arithmetic number, because the mean of its divisors is an integer number (2193902088).

Almost surely, 2^30031233212 is an apocalyptic number.

It is an amenable number.

30031233212 is a deficient number, since it is larger than the sum of its proper divisors (22622416900).

30031233212 is a wasteful number, since it uses less digits than its factorization.

30031233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109 (or 7107 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30031233212 its reverse (21233213003), we get a palindrome (51264446215).

The spelling of 30031233212 in words is "thirty billion, thirty-one million, two hundred thirty-three thousand, two hundred twelve".