1003321323201 has 4 divisors (see below), whose sum is σ = 1337761764272. Its totient is φ = 668880882132.

The previous prime is 1003321323167. The next prime is 1003321323217. The reversal of 1003321323201 is 1023231233001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1003321323201 - 2¹¹ = 1003321321153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003321343201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167220220531 + ... + 167220220536.

It is an arithmetic number, because the mean of its divisors is an integer number (334440441068).

Almost surely, 2^{1003321323201} is an apocalyptic number.

It is an amenable number.

1003321323201 is a deficient number, since it is larger than the sum of its proper divisors (334440441071).

1003321323201 is an equidigital number, since it uses as much as digits as its factorization.

1003321323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334440441070.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1003321323201 its reverse (1023231233001), we get a palindrome (2026552556202).

The spelling of 1003321323201 in words is "one trillion, three billion, three hundred twenty-one million, three hundred twenty-three thousand, two hundred one".