30312020200 has 192 divisors, whose sum is σ = 89737113600. Its totient is φ = 9246662400.

The previous prime is 30312020191. The next prime is 30312020203. The reversal of 30312020200 is 202021303.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30312020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 702861 + ... + 744739.

It is an arithmetic number, because the mean of its divisors is an integer number (467380800).

Almost surely, 2^30312020200 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 30312020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44868556800).

30312020200 is an abundant number, since it is smaller than the sum of its proper divisors (59425093400).

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

30312020200 is a wasteful number, since it uses less digits than its factorization.

30312020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41960 (or 41951 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30312020200 its reverse (202021303), we get a palindrome (30514041503).

The spelling of 30312020200 in words is "thirty billion, three hundred twelve million, twenty thousand, two hundred".