30312010208 has 48 divisors (see below), whose sum is σ = 63259890624. Its totient is φ = 14248058880.

The previous prime is 30312010207. The next prime is 30312010217. The reversal of 30312010208 is 80201021303.

It is a self number, because there is not a number n which added to its sum of digits gives 30312010208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312010207) 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 7 ways as a sum of consecutive naturals, for example, 447641 + ... + 510887.

It is an arithmetic number, because the mean of its divisors is an integer number (1317914388).

Almost surely, 2^30312010208 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 30312010208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31629945312).

30312010208 is an abundant number, since it is smaller than the sum of its proper divisors (32947880416).

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

30312010208 is a wasteful number, since it uses less digits than its factorization.

30312010208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64155 (or 64147 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 30312010208 in words is "thirty billion, three hundred twelve million, ten thousand, two hundred eight".