1323131300303 has 4 divisors (see below), whose sum is σ = 1400962553280. Its totient is φ = 1245300047328.

The previous prime is 1323131300287. The next prime is 1323131300333. The reversal of 1323131300303 is 3030031313231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323131300303 - 2⁴ = 1323131300287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323131300333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38915626463 + ... + 38915626496.

It is an arithmetic number, because the mean of its divisors is an integer number (350240638320).

Almost surely, 2^{1323131300303} is an apocalyptic number.

1323131300303 is a deficient number, since it is larger than the sum of its proper divisors (77831252977).

1323131300303 is an equidigital number, since it uses as much as digits as its factorization.

1323131300303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77831252976.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 1323131300303 its reverse (3030031313231), we get a palindrome (4353162613534).

The spelling of 1323131300303 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, three hundred thousand, three hundred three".