1320021130303 has 16 divisors (see below), whose sum is σ = 1358910241920. Its totient is φ = 1281527612064.

The previous prime is 1320021130297. The next prime is 1320021130313. The reversal of 1320021130303 is 3030311200231.

It is a cyclic number.

It is not a de Polignac number, because 1320021130303 - 2¹³ = 1320021122111 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 (1320021130313) 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, 4636800 + ... + 4913242.

It is an arithmetic number, because the mean of its divisors is an integer number (84931890120).

Almost surely, 2^{1320021130303} is an apocalyptic number.

1320021130303 is a deficient number, since it is larger than the sum of its proper divisors (38889111617).

1320021130303 is a wasteful number, since it uses less digits than its factorization.

1320021130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277158.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1320021130303 its reverse (3030311200231), we get a palindrome (4350332330534).

The spelling of 1320021130303 in words is "one trillion, three hundred twenty billion, twenty-one million, one hundred thirty thousand, three hundred three".