1144320331201 has 4 divisors (see below), whose sum is σ = 1181233890304. Its totient is φ = 1107406772100.

The previous prime is 1144320331199. The next prime is 1144320331211. The reversal of 1144320331201 is 1021330234411.

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 1144320331201 - 2¹ = 1144320331199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144320331211) 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, 18456779505 + ... + 18456779566.

It is an arithmetic number, because the mean of its divisors is an integer number (295308472576).

Almost surely, 2^{1144320331201} is an apocalyptic number.

It is an amenable number.

1144320331201 is a deficient number, since it is larger than the sum of its proper divisors (36913559103).

1144320331201 is an equidigital number, since it uses as much as digits as its factorization.

1144320331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36913559102.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1144320331201 its reverse (1021330234411), we get a palindrome (2165650565612).

The spelling of 1144320331201 in words is "one trillion, one hundred forty-four billion, three hundred twenty million, three hundred thirty-one thousand, two hundred one".