2331230320 has 80 divisors (see below), whose sum is σ = 5672047680. Its totient is φ = 889382912.

The previous prime is 2331230273. The next prime is 2331230323. The reversal of 2331230320 is 230321332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331230323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714132 + ... + 717388.

It is an arithmetic number, because the mean of its divisors is an integer number (70900596).

Almost surely, 2^2331230320 is an apocalyptic number.

2331230320 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 2331230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2836023840).

2331230320 is an abundant number, since it is smaller than the sum of its proper divisors (3340817360).

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

2331230320 is a wasteful number, since it uses less digits than its factorization.

2331230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2331230320 is about 48282.8159907850. The cubic root of 2331230320 is about 1325.9538061737.

Adding to 2331230320 its reverse (230321332), we get a palindrome (2561551652).

The spelling of 2331230320 in words is "two billion, three hundred thirty-one million, two hundred thirty thousand, three hundred twenty".