30031211112 has 64 divisors (see below), whose sum is σ = 86239105920. Its totient is φ = 8536781568.

The previous prime is 30031211057. The next prime is 30031211123. The reversal of 30031211112 is 21111213003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30031211091 and 30031211100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420603 + ... + 486794.

It is an arithmetic number, because the mean of its divisors is an integer number (1347486030).

Almost surely, 2^30031211112 is an apocalyptic number.

It is an amenable number.

30031211112 is an abundant number, since it is smaller than the sum of its proper divisors (56207894808).

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

30031211112 is a wasteful number, since it uses less digits than its factorization.

30031211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907610 (or 907606 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 30031211112 its reverse (21111213003), we get a palindrome (51142424115).

The spelling of 30031211112 in words is "thirty billion, thirty-one million, two hundred eleven thousand, one hundred twelve".