32281330000 has 100 divisors (see below), whose sum is σ = 79228754308. Its totient is φ = 12735360000.

The previous prime is 32281329931. The next prime is 32281330043. The reversal of 32281330000 is 3318223.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 13235121936 + 19046208064 = 115044^2 + 138008^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 707890 + ... + 752110.

Almost surely, 2^32281330000 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 32281330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39614377154).

32281330000 is an abundant number, since it is smaller than the sum of its proper divisors (46947424308).

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

32281330000 is an equidigital number, since it uses as much as digits as its factorization.

32281330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44322 (or 44301 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 32281330000 its reverse (3318223), we get a palindrome (32284648223).

The spelling of 32281330000 in words is "thirty-two billion, two hundred eighty-one million, three hundred thirty thousand".