30880816 has 20 divisors (see below), whose sum is σ = 59944824. Its totient is φ = 15411200.

The previous prime is 30880813. The next prime is 30880819. The reversal of 30880816 is 61808803.

It is an interprime number because it is at equal distance from previous prime (30880813) and next prime (30880819).

It is not an unprimeable number, because it can be changed into a prime (30880813) 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, 8751 + ... + 11761.

Almost surely, 2^30880816 is an apocalyptic number.

It is an amenable number.

30880816 is a deficient number, since it is larger than the sum of its proper divisors (29064008).

30880816 is a wasteful number, since it uses less digits than its factorization.

30880816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660 (or 3654 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 30880816 is about 5557.0510165015. The cubic root of 30880816 is about 313.7349650737.

The spelling of 30880816 in words is "thirty million, eight hundred eighty thousand, eight hundred sixteen".