1344311321 has 8 divisors (see below), whose sum is σ = 1394534400. Its totient is φ = 1294918560.

The previous prime is 1344311317. The next prime is 1344311347. The reversal of 1344311321 is 1231134431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1344311321 - 2² = 1344311317 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1344319321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204281 + ... + 210758.

It is an arithmetic number, because the mean of its divisors is an integer number (174316800).

Almost surely, 2^1344311321 is an apocalyptic number.

It is an amenable number.

1344311321 is a deficient number, since it is larger than the sum of its proper divisors (50223079).

1344311321 is an equidigital number, since it uses as much as digits as its factorization.

1344311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415159.

The product of its digits is 864, while the sum is 23.

The square root of 1344311321 is about 36664.8513020304. The cubic root of 1344311321 is about 1103.6548734020.

Adding to 1344311321 its reverse (1231134431), we get a palindrome (2575445752).

The spelling of 1344311321 in words is "one billion, three hundred forty-four million, three hundred eleven thousand, three hundred twenty-one".