31302021020200 has 192 divisors, whose sum is σ = 84222782075520. Its totient is φ = 10597357440000.

The previous prime is 31302021020177. The next prime is 31302021020321. The reversal of 31302021020200 is 202012020313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52445455 + ... + 53038945.

It is an arithmetic number, because the mean of its divisors is an integer number (438660323310).

Almost surely, 2^{31302021020200} 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 31302021020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42111391037760).

31302021020200 is an abundant number, since it is smaller than the sum of its proper divisors (52920761055320).

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

31302021020200 is a wasteful number, since it uses less digits than its factorization.

31302021020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593988 (or 593979 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31302021020200 its reverse (202012020313), we get a palindrome (31504033040513).

The spelling of 31302021020200 in words is "thirty-one trillion, three hundred two billion, twenty-one million, twenty thousand, two hundred".