30312112 has 20 divisors (see below), whose sum is σ = 59338216. Its totient is φ = 14999040.

The previous prime is 30312103. The next prime is 30312127. The reversal of 30312112 is 21121303.

It is a junction number, because it is equal to n+sod(n) for n = 30312092 and 30312101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8214 + ... + 11317.

Almost surely, 2^30312112 is an apocalyptic number.

It is an amenable number.

30312112 is a deficient number, since it is larger than the sum of its proper divisors (29026104).

30312112 is a wasteful number, since it uses less digits than its factorization.

30312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19636 (or 19630 counting only the distinct ones).

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

The square root of 30312112 is about 5505.6436499287. The cubic root of 30312112 is about 311.7970957742.

Adding to 30312112 its reverse (21121303), we get a palindrome (51433415).

The spelling of 30312112 in words is "thirty million, three hundred twelve thousand, one hundred twelve".