31200002132200 has 192 divisors, whose sum is σ = 81618472869120. Its totient is φ = 10994117760000.

The previous prime is 31200002132183. The next prime is 31200002132213. The reversal of 31200002132200 is 223120000213.

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 47 ways as a sum of consecutive naturals, for example, 8949634 + ... + 11937166.

It is an arithmetic number, because the mean of its divisors is an integer number (425096212860).

Almost surely, 2^{31200002132200} 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 31200002132200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40809236434560).

31200002132200 is an abundant number, since it is smaller than the sum of its proper divisors (50418470736920).

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

31200002132200 is a wasteful number, since it uses less digits than its factorization.

31200002132200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987708 (or 2987699 counting only the distinct ones).

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

Adding to 31200002132200 its reverse (223120000213), we get a palindrome (31423122132413).

The spelling of 31200002132200 in words is "thirty-one trillion, two hundred billion, two million, one hundred thirty-two thousand, two hundred".