30341046721128 has 128 divisors (see below), whose sum is σ = 94355538318720. Its totient is φ = 7987770408960.

The previous prime is 30341046721109. The next prime is 30341046721129. The reversal of 30341046721128 is 82112764014303.

It is a super-2 number, since 2×30341046721128² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30341046721128.

It is not an unprimeable number, because it can be changed into a prime (30341046721129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259960225 + ... + 260076912.

It is an arithmetic number, because the mean of its divisors is an integer number (737152643115).

Almost surely, 2^{30341046721128} is an apocalyptic number.

It is an amenable number.

30341046721128 is an abundant number, since it is smaller than the sum of its proper divisors (64014491597592).

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

30341046721128 is a wasteful number, since it uses less digits than its factorization.

30341046721128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520037187 (or 520037183 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 30341046721128 in words is "thirty trillion, three hundred forty-one billion, forty-six million, seven hundred twenty-one thousand, one hundred twenty-eight".