2331232100 has 72 divisors (see below), whose sum is σ = 5481086688. Its totient is φ = 857203200.

The previous prime is 2331232087. The next prime is 2331232109. The reversal of 2331232100 is 12321332.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2331232109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57155 + ... + 89045.

It is an arithmetic number, because the mean of its divisors is an integer number (76126204).

Almost surely, 2^2331232100 is an apocalyptic number.

2331232100 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 2331232100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2740543344).

2331232100 is an abundant number, since it is smaller than the sum of its proper divisors (3149854588).

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

2331232100 is a wasteful number, since it uses less digits than its factorization.

2331232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31965 (or 31958 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2331232100 is about 48282.8344238405. The cubic root of 2331232100 is about 1325.9541436489.

Adding to 2331232100 its reverse (12321332), we get a palindrome (2343553432).

It can be divided in two parts, 2331232 and 100, that added together give a palindrome (2331332).

The spelling of 2331232100 in words is "two billion, three hundred thirty-one million, two hundred thirty-two thousand, one hundred".