1320331113201 has 4 divisors (see below), whose sum is σ = 1760441484272. Its totient is φ = 880220742132.

The previous prime is 1320331113163. The next prime is 1320331113209. The reversal of 1320331113201 is 1023111330231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1320331113201 - 2²¹ = 1320329016049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1320331113209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220055185531 + ... + 220055185536.

It is an arithmetic number, because the mean of its divisors is an integer number (440110371068).

Almost surely, 2^{1320331113201} is an apocalyptic number.

It is an amenable number.

1320331113201 is a deficient number, since it is larger than the sum of its proper divisors (440110371071).

1320331113201 is an equidigital number, since it uses as much as digits as its factorization.

1320331113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440110371070.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1320331113201 its reverse (1023111330231), we get a palindrome (2343442443432).

The spelling of 1320331113201 in words is "one trillion, three hundred twenty billion, three hundred thirty-one million, one hundred thirteen thousand, two hundred one".