2200031100 has 108 divisors (see below), whose sum is σ = 7082357464. Its totient is φ = 570810240.

The previous prime is 2200031087. The next prime is 2200031111. The reversal of 2200031100 is 11300022.

It is a happy number.

2200031100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 267 + ... + 66333.

Almost surely, 2^2200031100 is an apocalyptic number.

2200031100 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 2200031100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3541178732).

2200031100 is an abundant number, since it is smaller than the sum of its proper divisors (4882326364).

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

2200031100 is a wasteful number, since it uses less digits than its factorization.

2200031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66124 (or 66114 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2200031100 is about 46904.4891241766. The cubic root of 2200031100 is about 1300.5975753671.

Adding to 2200031100 its reverse (11300022), we get a palindrome (2211331122).

The spelling of 2200031100 in words is "two billion, two hundred million, thirty-one thousand, one hundred".