1032320344021 has 4 divisors (see below), whose sum is σ = 1043919449100. Its totient is φ = 1020721238944.

The previous prime is 1032320344007. The next prime is 1032320344031. The reversal of 1032320344021 is 1204430232301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 287525453796 + 744794890225 = 536214^2 + 863015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032320344021 - 2¹⁷ = 1032320212949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032320344001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5799552406 + ... + 5799552583.

It is an arithmetic number, because the mean of its divisors is an integer number (260979862275).

Almost surely, 2^{1032320344021} is an apocalyptic number.

It is an amenable number.

1032320344021 is a deficient number, since it is larger than the sum of its proper divisors (11599105079).

1032320344021 is an equidigital number, since it uses as much as digits as its factorization.

1032320344021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599105078.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1032320344021 its reverse (1204430232301), we get a palindrome (2236750576322).

The spelling of 1032320344021 in words is "one trillion, thirty-two billion, three hundred twenty million, three hundred forty-four thousand, twenty-one".