2331231232 has 88 divisors (see below), whose sum is σ = 5161387680. Its totient is φ = 1043496960.

The previous prime is 2331231229. The next prime is 2331231247. The reversal of 2331231232 is 2321321332.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 753144 + ... + 756232.

Almost surely, 2^2331231232 is an apocalyptic number.

2331231232 is a gapful number since it is divisible by the number (22) 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 2331231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580693840).

2331231232 is an abundant number, since it is smaller than the sum of its proper divisors (2830156448).

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

2331231232 is a wasteful number, since it uses less digits than its factorization.

2331231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3169 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 2331231232 is about 48282.8254351379. The cubic root of 2331231232 is about 1325.9539790823.

Adding to 2331231232 its reverse (2321321332), we get a palindrome (4652552564).

The spelling of 2331231232 in words is "two billion, three hundred thirty-one million, two hundred thirty-one thousand, two hundred thirty-two".