2303321331313 has 8 divisors (see below), whose sum is σ = 2305732067496. Its totient is φ = 2300911401600.

The previous prime is 2303321331263. The next prime is 2303321331323. The reversal of 2303321331313 is 3131331233032.

It can be written as a sum of positive squares in 4 ways, for example, as 471066713649 + 1832254617664 = 686343^2 + 1353608^2 .

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 2303321331313 - 2³³ = 2294731396721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2303321331323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5600583 + ... + 5997763.

It is an arithmetic number, because the mean of its divisors is an integer number (288216508437).

Almost surely, 2^{2303321331313} is an apocalyptic number.

It is an amenable number.

2303321331313 is a deficient number, since it is larger than the sum of its proper divisors (2410736183).

2303321331313 is a wasteful number, since it uses less digits than its factorization.

2303321331313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403235.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 2303321331313 its reverse (3131331233032), we get a palindrome (5434652564345).

The spelling of 2303321331313 in words is "two trillion, three hundred three billion, three hundred twenty-one million, three hundred thirty-one thousand, three hundred thirteen".