2031340344220 has 96 divisors (see below), whose sum is σ = 4695093559296. Its totient is φ = 732097497600.

The previous prime is 2031340344191. The next prime is 2031340344221. The reversal of 2031340344220 is 224430431302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031340344221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 27428040 + ... + 27502000.

It is an arithmetic number, because the mean of its divisors is an integer number (48907224576).

Almost surely, 2^{2031340344220} is an apocalyptic number.

2031340344220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031340344220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347546779648).

2031340344220 is an abundant number, since it is smaller than the sum of its proper divisors (2663753215076).

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

2031340344220 is a wasteful number, since it uses less digits than its factorization.

2031340344220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75091 (or 75089 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2031340344220 its reverse (224430431302), we get a palindrome (2255770775522).

The spelling of 2031340344220 in words is "two trillion, thirty-one billion, three hundred forty million, three hundred forty-four thousand, two hundred twenty".