32001331232 has 48 divisors (see below), whose sum is σ = 67926767832. Its totient is φ = 14752911360.

The previous prime is 32001331231. The next prime is 32001331253. The reversal of 32001331232 is 23213310023.

It can be written as a sum of positive squares in 4 ways, for example, as 12107921296 + 19893409936 = 110036^2 + 141044^2 .

It is not an unprimeable number, because it can be changed into a prime (32001331231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322838 + ... + 410154.

Almost surely, 2^32001331232 is an apocalyptic number.

32001331232 is a gapful number since it is divisible by the number (32) 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 32001331232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33963383916).

32001331232 is an abundant number, since it is smaller than the sum of its proper divisors (35925436600).

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

32001331232 is a wasteful number, since it uses less digits than its factorization.

32001331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88221 (or 88213 counting only the distinct ones).

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

Adding to 32001331232 its reverse (23213310023), we get a palindrome (55214641255).

The spelling of 32001331232 in words is "thirty-two billion, one million, three hundred thirty-one thousand, two hundred thirty-two".