30983112 has 72 divisors (see below), whose sum is σ = 89198850. Its totient is φ = 9713664.

The previous prime is 30983087. The next prime is 30983119. The reversal of 30983112 is 21138903.

It can be written as a sum of positive squares in 3 ways, for example, as 29095236 + 1887876 = 5394^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (30983119) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20064 + ... + 21552.

Almost surely, 2^30983112 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 30983112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44599425).

30983112 is an abundant number, since it is smaller than the sum of its proper divisors (58215738).

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

30983112 is a wasteful number, since it uses less digits than its factorization.

30983112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 30983112 is about 5566.2475690540. The cubic root of 30983112 is about 314.0810101068.

The spelling of 30983112 in words is "thirty million, nine hundred eighty-three thousand, one hundred twelve".