1320244304303 has 16 divisors (see below), whose sum is σ = 1336273567200. Its totient is φ = 1304288818560.

The previous prime is 1320244304257. The next prime is 1320244304377. The reversal of 1320244304303 is 3034034420231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320244304303 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 (1320244304383) 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, 187451300 + ... + 187458342.

It is an arithmetic number, because the mean of its divisors is an integer number (83517097950).

Almost surely, 2^{1320244304303} is an apocalyptic number.

1320244304303 is a deficient number, since it is larger than the sum of its proper divisors (16029262897).

1320244304303 is a wasteful number, since it uses less digits than its factorization.

1320244304303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11962.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 1320244304303 its reverse (3034034420231), we get a palindrome (4354278724534).

The spelling of 1320244304303 in words is "one trillion, three hundred twenty billion, two hundred forty-four million, three hundred four thousand, three hundred three".