30933012 has 24 divisors (see below), whose sum is σ = 78738912. Its totient is φ = 9373600.

The previous prime is 30933011. The next prime is 30933041. The reversal of 30933012 is 21033903.

It is a self number, because there is not a number n which added to its sum of digits gives 30933012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30933011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117039 + ... + 117302.

It is an arithmetic number, because the mean of its divisors is an integer number (3280788).

Almost surely, 2^30933012 is an apocalyptic number.

It is an amenable number.

30933012 is an abundant number, since it is smaller than the sum of its proper divisors (47805900).

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

30933012 is a wasteful number, since it uses less digits than its factorization.

30933012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234359 (or 234357 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 30933012 is about 5561.7454094915. The cubic root of 30933012 is about 313.9116280716.

Adding to 30933012 its reverse (21033903), we get a palindrome (51966915).

It can be divided in two parts, 3093 and 3012, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 30933012 in words is "thirty million, nine hundred thirty-three thousand, twelve".