1003220320321 has 8 divisors (see below), whose sum is σ = 1037861326080. Its totient is φ = 968582461392.

The previous prime is 1003220320279. The next prime is 1003220320351. The reversal of 1003220320321 is 1230230223001.

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

It is a cyclic number.

It is not a de Polignac number, because 1003220320321 - 2¹⁷ = 1003220189249 is a prime.

It is a super-2 number, since 2×1003220320321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003220320351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128755 + ... + 1422328.

It is an arithmetic number, because the mean of its divisors is an integer number (129732665760).

Almost surely, 2^{1003220320321} is an apocalyptic number.

It is an amenable number.

1003220320321 is a deficient number, since it is larger than the sum of its proper divisors (34641005759).

1003220320321 is a wasteful number, since it uses less digits than its factorization.

1003220320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573415.

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

Adding to 1003220320321 its reverse (1230230223001), we get a palindrome (2233450543322).

The spelling of 1003220320321 in words is "one trillion, three billion, two hundred twenty million, three hundred twenty thousand, three hundred twenty-one".