30534312 has 64 divisors (see below), whose sum is σ = 82105920. Its totient is φ = 9427968.

The previous prime is 30534293. The next prime is 30534313. The reversal of 30534312 is 21343503.

It is not an unprimeable number, because it can be changed into a prime (30534313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26778 + ... + 27894.

It is an arithmetic number, because the mean of its divisors is an integer number (1282905).

Almost surely, 2^30534312 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 30534312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41052960).

30534312 is an abundant number, since it is smaller than the sum of its proper divisors (51571608).

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

30534312 is a wasteful number, since it uses less digits than its factorization.

30534312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 30534312 is about 5525.7860979231. The cubic root of 30534312 is about 312.5571078565.

Adding to 30534312 its reverse (21343503), we get a palindrome (51877815).

The spelling of 30534312 in words is "thirty million, five hundred thirty-four thousand, three hundred twelve".