2031223320210 has 128 divisors (see below), whose sum is σ = 5752870502400. Its totient is φ = 449162703360.

The previous prime is 2031223320187. The next prime is 2031223320211. The reversal of 2031223320210 is 120233221302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2031223320211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21559686 + ... + 21653694.

It is an arithmetic number, because the mean of its divisors is an integer number (44944300800).

Almost surely, 2^{2031223320210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031223320210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2876435251200).

2031223320210 is an abundant number, since it is smaller than the sum of its proper divisors (3721647182190).

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

2031223320210 is a wasteful number, since it uses less digits than its factorization.

2031223320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97376.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2031223320210 its reverse (120233221302), we get a palindrome (2151456541512).

The spelling of 2031223320210 in words is "two trillion, thirty-one billion, two hundred twenty-three million, three hundred twenty thousand, two hundred ten".