30111102312 has 64 divisors (see below), whose sum is σ = 77428033920. Its totient is φ = 9751143168.

The previous prime is 30111102277. The next prime is 30111102313. The reversal of 30111102312 is 21320111103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30111102291 and 30111102300.

It is not an unprimeable number, because it can be changed into a prime (30111102313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576133 + ... + 626219.

It is an arithmetic number, because the mean of its divisors is an integer number (1209813030).

Almost surely, 2^30111102312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30111102312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38714016960).

30111102312 is an abundant number, since it is smaller than the sum of its proper divisors (47316931608).

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

30111102312 is a wasteful number, since it uses less digits than its factorization.

30111102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50810 (or 50806 counting only the distinct ones).

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

Adding to 30111102312 its reverse (21320111103), we get a palindrome (51431213415).

The spelling of 30111102312 in words is "thirty billion, one hundred eleven million, one hundred two thousand, three hundred twelve".