30835573912 has 128 divisors (see below), whose sum is σ = 69289758720. Its totient is φ = 12680640000.

The previous prime is 30835573843. The next prime is 30835573933. The reversal of 30835573912 is 21937553803.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 11899737 + ... + 11902327.

It is an arithmetic number, because the mean of its divisors is an integer number (541326240).

Almost surely, 2^30835573912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30835573912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34644879360).

30835573912 is an abundant number, since it is smaller than the sum of its proper divisors (38454184808).

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

30835573912 is a wasteful number, since it uses less digits than its factorization.

30835573912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 30835573912 in words is "thirty billion, eight hundred thirty-five million, five hundred seventy-three thousand, nine hundred twelve".