30814785328 has 20 divisors (see below), whose sum is σ = 59791081608. Its totient is φ = 15384828800.

The previous prime is 30814785311. The next prime is 30814785329. The reversal of 30814785328 is 82358741803.

It is not an unprimeable number, because it can be changed into a prime (30814785329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398973 + ... + 1420828.

Almost surely, 2^30814785328 is an apocalyptic number.

It is an amenable number.

30814785328 is a deficient number, since it is larger than the sum of its proper divisors (28976296280).

30814785328 is a wasteful number, since it uses less digits than its factorization.

30814785328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820492 (or 2820486 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 30814785328 in words is "thirty billion, eight hundred fourteen million, seven hundred eighty-five thousand, three hundred twenty-eight".