2331012320 has 144 divisors (see below), whose sum is σ = 6899201568. Its totient is φ = 737694720.

The previous prime is 2331012311. The next prime is 2331012371. The reversal of 2331012320 is 232101332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90485 + ... + 113355.

It is an arithmetic number, because the mean of its divisors is an integer number (47911122).

Almost surely, 2^2331012320 is an apocalyptic number.

2331012320 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 2331012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3449600784).

2331012320 is an abundant number, since it is smaller than the sum of its proper divisors (4568189248).

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

2331012320 is a wasteful number, since it uses less digits than its factorization.

2331012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22913 (or 22898 counting only the distinct ones).

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

The square root of 2331012320 is about 48280.5584060499. The cubic root of 2331012320 is about 1325.9124736438.

Adding to 2331012320 its reverse (232101332), we get a palindrome (2563113652).

It can be divided in two parts, 2331012 and 320, that added together give a palindrome (2331332).

The spelling of 2331012320 in words is "two billion, three hundred thirty-one million, twelve thousand, three hundred twenty".