1303332131321 has 16 divisors (see below), whose sum is σ = 1423995836928. Its totient is φ = 1183032864000.

The previous prime is 1303332131291. The next prime is 1303332131333. The reversal of 1303332131321 is 1231312333031.

It is a cyclic number.

It is not a de Polignac number, because 1303332131321 - 2¹⁰ = 1303332130297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303332131341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21366161 + ... + 21427073.

It is an arithmetic number, because the mean of its divisors is an integer number (88999739808).

Almost surely, 2^{1303332131321} is an apocalyptic number.

1303332131321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1303332131321 is a deficient number, since it is larger than the sum of its proper divisors (120663705607).

1303332131321 is a wasteful number, since it uses less digits than its factorization.

1303332131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63872.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1303332131321 its reverse (1231312333031), we get a palindrome (2534644464352).

The spelling of 1303332131321 in words is "one trillion, three hundred three billion, three hundred thirty-two million, one hundred thirty-one thousand, three hundred twenty-one".