30310868 has 12 divisors (see below), whose sum is σ = 60621792. Its totient is φ = 12990360.

The previous prime is 30310801. The next prime is 30310873. The reversal of 30310868 is 86801303.

30310868 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30310868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541238 + ... + 541293.

It is an arithmetic number, because the mean of its divisors is an integer number (5051816).

Almost surely, 2^30310868 is an apocalyptic number.

It is an amenable number.

30310868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30310868 is a wasteful number, since it uses less digits than its factorization.

30310868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082542 (or 1082540 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 30310868 is about 5505.5306737861. The cubic root of 30310868 is about 311.7928303627.

The spelling of 30310868 in words is "thirty million, three hundred ten thousand, eight hundred sixty-eight".