30980864 has 18 divisors (see below), whose sum is σ = 61841220. Its totient is φ = 15490304.

The previous prime is 30980857. The next prime is 30980869. The reversal of 30980864 is 46808903.

It is not an unprimeable number, because it can be changed into a prime (30980869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60254 + ... + 60765.

Almost surely, 2^30980864 is an apocalyptic number.

It is an amenable number.

30980864 is a deficient number, since it is larger than the sum of its proper divisors (30860356).

30980864 is an equidigital number, since it uses as much as digits as its factorization.

30980864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121035 (or 121021 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 30980864 is about 5566.0456340206. The cubic root of 30980864 is about 314.0734138052.

The spelling of 30980864 in words is "thirty million, nine hundred eighty thousand, eight hundred sixty-four".