30305255530 has 32 divisors (see below), whose sum is σ = 63009005760. Its totient is φ = 10371851520.

The previous prime is 30305255527. The next prime is 30305255579. The reversal of 30305255530 is 3555250303.

It is a junction number, because it is equal to n+sod(n) for n = 30305255492 and 30305255501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8101140 + ... + 8104879.

It is an arithmetic number, because the mean of its divisors is an integer number (1969031430).

Almost surely, 2^30305255530 is an apocalyptic number.

30305255530 is an abundant number, since it is smaller than the sum of its proper divisors (32703750230).

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

30305255530 is a wasteful number, since it uses less digits than its factorization.

30305255530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16206054.

The product of its (nonzero) digits is 33750, while the sum is 31.

The spelling of 30305255530 in words is "thirty billion, three hundred five million, two hundred fifty-five thousand, five hundred thirty".