1303220331321 has 8 divisors (see below), whose sum is σ = 1737639868800. Its totient is φ = 868807174032.

The previous prime is 1303220331289. The next prime is 1303220331341. The reversal of 1303220331321 is 1231330223031.

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

It is not a de Polignac number, because 1303220331321 - 2⁵ = 1303220331289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303220331291 and 1303220331300.

It is not an unprimeable number, because it can be changed into a prime (1303220331341) 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, 1096146 + ... + 1951403.

It is an arithmetic number, because the mean of its divisors is an integer number (217204983600).

Almost surely, 2^{1303220331321} is an apocalyptic number.

It is an amenable number.

1303220331321 is a deficient number, since it is larger than the sum of its proper divisors (434419537479).

1303220331321 is a wasteful number, since it uses less digits than its factorization.

1303220331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190095.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1303220331321 its reverse (1231330223031), we get a palindrome (2534550554352).

The spelling of 1303220331321 in words is "one trillion, three hundred three billion, two hundred twenty million, three hundred thirty-one thousand, three hundred twenty-one".