32001344321 has 8 divisors (see below), whose sum is σ = 32127609960. Its totient is φ = 31875238528.

The previous prime is 32001344269. The next prime is 32001344351. The reversal of 32001344321 is 12344310023.

It can be written as a sum of positive squares in 4 ways, for example, as 2645662096 + 29355682225 = 51436^2 + 171335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32001344321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32001344351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369455 + ... + 447771.

It is an arithmetic number, because the mean of its divisors is an integer number (4015951245).

Almost surely, 2^32001344321 is an apocalyptic number.

It is an amenable number.

32001344321 is a deficient number, since it is larger than the sum of its proper divisors (126265639).

32001344321 is a wasteful number, since it uses less digits than its factorization.

32001344321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79923.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 32001344321 its reverse (12344310023), we get a palindrome (44345654344).

The spelling of 32001344321 in words is "thirty-two billion, one million, three hundred forty-four thousand, three hundred twenty-one".