30031100212 has 12 divisors (see below), whose sum is σ = 52968240640. Its totient is φ = 14897317176.

The previous prime is 30031100129. The next prime is 30031100227. The reversal of 30031100212 is 21200113003.

It is a junction number, because it is equal to n+sod(n) for n = 30031100192 and 30031100201.

It is a congruent number.

It is an unprimeable number.

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, 29557662 + ... + 29558677.

Almost surely, 2^30031100212 is an apocalyptic number.

It is an amenable number.

30031100212 is a deficient number, since it is larger than the sum of its proper divisors (22937140428).

30031100212 is a wasteful number, since it uses less digits than its factorization.

30031100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59116470 (or 59116468 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30031100212 its reverse (21200113003), we get a palindrome (51231213215).

The spelling of 30031100212 in words is "thirty billion, thirty-one million, one hundred thousand, two hundred twelve".