2031130011222 has 96 divisors (see below), whose sum is σ = 4996052006400. Its totient is φ = 591202535616.

The previous prime is 2031130011179. The next prime is 2031130011259. The reversal of 2031130011222 is 2221100311302.

2031130011222 is a `hidden beast` number, since 20 + 311 + 300 + 1 + 12 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2031130011195 and 2031130011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2702179 + ... + 3371057.

It is an arithmetic number, because the mean of its divisors is an integer number (52042208400).

Almost surely, 2^{2031130011222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031130011222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498026003200).

2031130011222 is an abundant number, since it is smaller than the sum of its proper divisors (2964921995178).

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

2031130011222 is a wasteful number, since it uses less digits than its factorization.

2031130011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669602 (or 669599 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2031130011222 its reverse (2221100311302), we get a palindrome (4252230322524).

The spelling of 2031130011222 in words is "two trillion, thirty-one billion, one hundred thirty million, eleven thousand, two hundred twenty-two".