31220102000200 has 96 divisors (see below), whose sum is σ = 73023963667200. Its totient is φ = 12412990690560.

The previous prime is 31220102000167. The next prime is 31220102000201. The reversal of 31220102000200 is 200020102213.

It is not an unprimeable number, because it can be changed into a prime (31220102000201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28587811 + ... + 29659789.

It is an arithmetic number, because the mean of its divisors is an integer number (760666288200).

Almost surely, 2^{31220102000200} 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 31220102000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36511981833600).

31220102000200 is an abundant number, since it is smaller than the sum of its proper divisors (41803861667000).

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

31220102000200 is a wasteful number, since it uses less digits than its factorization.

31220102000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072871 (or 1072862 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 31220102000200 its reverse (200020102213), we get a palindrome (31420122102413).

The spelling of 31220102000200 in words is "thirty-one trillion, two hundred twenty billion, one hundred two million, two hundred", and thus it is an aban number.