30300340128 has 24 divisors (see below), whose sum is σ = 79538393088. Its totient is φ = 10100113344.

The previous prime is 30300340127. The next prime is 30300340141. The reversal of 30300340128 is 82104300303.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×30300340128² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30300340098 and 30300340107.

It is not an unprimeable number, because it can be changed into a prime (30300340127) 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, 157814176 + ... + 157814367.

It is an arithmetic number, because the mean of its divisors is an integer number (3314099712).

Almost surely, 2^30300340128 is an apocalyptic number.

It is an amenable number.

30300340128 is an abundant number, since it is smaller than the sum of its proper divisors (49238052960).

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

30300340128 is a wasteful number, since it uses less digits than its factorization.

30300340128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315628556 (or 315628548 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 30300340128 in words is "thirty billion, three hundred million, three hundred forty thousand, one hundred twenty-eight".