2003320321042 has 16 divisors (see below), whose sum is σ = 3204968455800. Its totient is φ = 935857666048.

The previous prime is 2003320321039. The next prime is 2003320321049. The reversal of 2003320321042 is 2401230233002.

It can be written as a sum of positive squares in 4 ways, for example, as 1913128819281 + 90191501761 = 1383159^2 + 300319^2 .

It is not an unprimeable number, because it can be changed into a prime (2003320321049) 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, 215036167 + ... + 215045482.

Almost surely, 2^{2003320321042} is an apocalyptic number.

2003320321042 is a deficient number, since it is larger than the sum of its proper divisors (1201648134758).

2003320321042 is a wasteful number, since it uses less digits than its factorization.

2003320321042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430081805.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 2003320321042 its reverse (2401230233002), we get a palindrome (4404550554044).

The spelling of 2003320321042 in words is "two trillion, three billion, three hundred twenty million, three hundred twenty-one thousand, forty-two".