30312852620 has 72 divisors (see below), whose sum is σ = 66571630944. Its totient is φ = 11592709632.

The previous prime is 30312852613. The next prime is 30312852641. The reversal of 30312852620 is 2625821303.

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 23 ways as a sum of consecutive naturals, for example, 1723712 + ... + 1741208.

Almost surely, 2^30312852620 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 30312852620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33285815472).

30312852620 is an abundant number, since it is smaller than the sum of its proper divisors (36258778324).

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

30312852620 is a wasteful number, since it uses less digits than its factorization.

30312852620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17667 (or 17636 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 30312852620 in words is "thirty billion, three hundred twelve million, eight hundred fifty-two thousand, six hundred twenty".