30805007530 has 16 divisors (see below), whose sum is σ = 60489833184. Its totient is φ = 11201820880.

The previous prime is 30805007483. The next prime is 30805007543. The reversal of 30805007530 is 3570050803.

It is a super-3 number, since 3×30805007530³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30805007492 and 30805007501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140022652 + ... + 140022871.

It is an arithmetic number, because the mean of its divisors is an integer number (3780614574).

Almost surely, 2^30805007530 is an apocalyptic number.

30805007530 is a deficient number, since it is larger than the sum of its proper divisors (29684825654).

30805007530 is a wasteful number, since it uses less digits than its factorization.

30805007530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280045541.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 30805007530 in words is "thirty billion, eight hundred five million, seven thousand, five hundred thirty".