1303000003321 has 8 divisors (see below), whose sum is σ = 1325105337600. Its totient is φ = 1280895355440.

The previous prime is 1303000003303. The next prime is 1303000003351. The reversal of 1303000003321 is 1233000003031.

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 1303000003321 - 2²³ = 1302991614713 is a prime.

It is a super-3 number, since 3×1303000003321³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303000003295 and 1303000003304.

It is not an unprimeable number, because it can be changed into a prime (1303000003351) 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, 4935256 + ... + 5192566.

It is an arithmetic number, because the mean of its divisors is an integer number (165638167200).

Almost surely, 2^{1303000003321} is an apocalyptic number.

It is an amenable number.

1303000003321 is a deficient number, since it is larger than the sum of its proper divisors (22105334279).

1303000003321 is an equidigital number, since it uses as much as digits as its factorization.

1303000003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343199.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 1303000003321 its reverse (1233000003031), we get a palindrome (2536000006352).

The spelling of 1303000003321 in words is "one trillion, three hundred three billion, three thousand, three hundred twenty-one".