2331022100 has 72 divisors (see below), whose sum is σ = 5525875488. Its totient is φ = 846460800.

The previous prime is 2331022093. The next prime is 2331022103. The reversal of 2331022100 is 12201332.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331022103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1333427 + ... + 1335173.

Almost surely, 2^2331022100 is an apocalyptic number.

2331022100 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 2331022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2762937744).

2331022100 is an abundant number, since it is smaller than the sum of its proper divisors (3194853388).

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

2331022100 is a wasteful number, since it uses less digits than its factorization.

2331022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2331022100 is about 48280.6596889479. The cubic root of 2331022100 is about 1325.9143279749.

Adding to 2331022100 its reverse (12201332), we get a palindrome (2343223432).

The spelling of 2331022100 in words is "two billion, three hundred thirty-one million, twenty-two thousand, one hundred".