2312113232 has 160 divisors (see below), whose sum is σ = 5426319360. Its totient is φ = 940584960.

The previous prime is 2312113231. The next prime is 2312113259. The reversal of 2312113232 is 2323112132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312113231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18205553 + ... + 18205679.

It is an arithmetic number, because the mean of its divisors is an integer number (33914496).

Almost surely, 2^2312113232 is an apocalyptic number.

2312113232 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 2312113232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2713159680).

2312113232 is an abundant number, since it is smaller than the sum of its proper divisors (3114206128).

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

2312113232 is a wasteful number, since it uses less digits than its factorization.

2312113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 335 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 2312113232 is about 48084.4385638431. The cubic root of 2312113232 is about 1322.3193901940.

Adding to 2312113232 its reverse (2323112132), we get a palindrome (4635225364).

The spelling of 2312113232 in words is "two billion, three hundred twelve million, one hundred thirteen thousand, two hundred thirty-two".