30381268 has 12 divisors (see below), whose sum is σ = 53365312. Its totient is φ = 15134040.

The previous prime is 30381251. The next prime is 30381269. The reversal of 30381268 is 86218303.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30381269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12930 + ... + 15097.

Almost surely, 2^30381268 is an apocalyptic number.

It is an amenable number.

30381268 is a deficient number, since it is larger than the sum of its proper divisors (22984044).

30381268 is a wasteful number, since it uses less digits than its factorization.

30381268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28302 (or 28300 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 30381268 is about 5511.9205364374. The cubic root of 30381268 is about 312.0340336532.

The spelling of 30381268 in words is "thirty million, three hundred eighty-one thousand, two hundred sixty-eight".