30031268 has 12 divisors (see below), whose sum is σ = 52610460. Its totient is φ = 14999712.

The previous prime is 30031259. The next prime is 30031273. The reversal of 30031268 is 86213003.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 15038884 = 3872^2 + 3878^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 938 + ... + 7806.

It is an arithmetic number, because the mean of its divisors is an integer number (4384205).

Almost surely, 2^30031268 is an apocalyptic number.

It is an amenable number.

30031268 is a deficient number, since it is larger than the sum of its proper divisors (22579192).

30031268 is a wasteful number, since it uses less digits than its factorization.

30031268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966 (or 7964 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30031268 is about 5480.0791965080. The cubic root of 30031268 is about 310.8311652743.

The spelling of 30031268 in words is "thirty million, thirty-one thousand, two hundred sixty-eight".