2331231330320 has 80 divisors (see below), whose sum is σ = 5474786466240. Its totient is φ = 923089728000.

The previous prime is 2331231330301. The next prime is 2331231330349. The reversal of 2331231330320 is 230331321332.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2331231330320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49514951 + ... + 49562009.

It is an arithmetic number, because the mean of its divisors is an integer number (68434830828).

Almost surely, 2^{2331231330320} is an apocalyptic number.

2331231330320 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 2331231330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2737393233120).

2331231330320 is an abundant number, since it is smaller than the sum of its proper divisors (3143555135920).

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

2331231330320 is a wasteful number, since it uses less digits than its factorization.

2331231330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53304 (or 53298 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 2331231330320 its reverse (230331321332), we get a palindrome (2561562651652).

The spelling of 2331231330320 in words is "two trillion, three hundred thirty-one billion, two hundred thirty-one million, three hundred thirty thousand, three hundred twenty".