2331312032 has 48 divisors (see below), whose sum is σ = 5256216000. Its totient is φ = 997083648.

The previous prime is 2331311981. The next prime is 2331312043. The reversal of 2331312032 is 2302131332.

It is a junction number, because it is equal to n+sod(n) for n = 2331311995 and 2331312013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101348 + ... + 122204.

It is an arithmetic number, because the mean of its divisors is an integer number (109504500).

Almost surely, 2^2331312032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2331312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2628108000).

2331312032 is an abundant number, since it is smaller than the sum of its proper divisors (2924903968).

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

2331312032 is a wasteful number, since it uses less digits than its factorization.

2331312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21373 (or 21365 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2331312032 is about 48283.6621643388. The cubic root of 2331312032 is about 1325.9692980037.

Adding to 2331312032 its reverse (2302131332), we get a palindrome (4633443364).

The spelling of 2331312032 in words is "two billion, three hundred thirty-one million, three hundred twelve thousand, thirty-two".