30312112132 has 24 divisors (see below), whose sum is σ = 55197023616. Its totient is φ = 14553703008.

The previous prime is 30312112067. The next prime is 30312112199. The reversal of 30312112132 is 23121121303.

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, 1511118 + ... + 1531045.

It is an arithmetic number, because the mean of its divisors is an integer number (2299875984).

Almost surely, 2^30312112132 is an apocalyptic number.

It is an amenable number.

30312112132 is a deficient number, since it is larger than the sum of its proper divisors (24884911484).

30312112132 is a wasteful number, since it uses less digits than its factorization.

30312112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042267 (or 3042265 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30312112132 its reverse (23121121303), we get a palindrome (53433233435).

The spelling of 30312112132 in words is "thirty billion, three hundred twelve million, one hundred twelve thousand, one hundred thirty-two".