2003012230321 has 2 divisors, whose sum is σ = 2003012230322. Its totient is φ = 2003012230320.

The previous prime is 2003012230301. The next prime is 2003012230357. The reversal of 2003012230321 is 1230322103002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1789280769600 + 213731460721 = 1337640^2 + 462311^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003012230321 - 2¹³ = 2003012222129 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003012230301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001506115160 + 1001506115161.

It is an arithmetic number, because the mean of its divisors is an integer number (1001506115161).

Almost surely, 2^{2003012230321} is an apocalyptic number.

It is an amenable number.

2003012230321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003012230321 is an equidigital number, since it uses as much as digits as its factorization.

2003012230321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2003012230321 its reverse (1230322103002), we get a palindrome (3233334333323).

The spelling of 2003012230321 in words is "two trillion, three billion, twelve million, two hundred thirty thousand, three hundred twenty-one".