1314052321 has 4 divisors (see below), whose sum is σ = 1359364500. Its totient is φ = 1268740144.

The previous prime is 1314052279. The next prime is 1314052343. The reversal of 1314052321 is 1232504131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1232504131 = 17 ⋅72500243.

It can be written as a sum of positive squares in 2 ways, for example, as 1071907600 + 242144721 = 32740^2 + 15561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314052321 - 2¹⁷ = 1313921249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1314052292 and 1314052301.

It is not an unprimeable number, because it can be changed into a prime (1314052361) 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, 22656046 + ... + 22656103.

It is an arithmetic number, because the mean of its divisors is an integer number (339841125).

Almost surely, 2^1314052321 is an apocalyptic number.

It is an amenable number.

1314052321 is a deficient number, since it is larger than the sum of its proper divisors (45312179).

1314052321 is an equidigital number, since it uses as much as digits as its factorization.

1314052321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45312178.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1314052321 is about 36249.8595997281. The cubic root of 1314052321 is about 1095.3112605961.

Adding to 1314052321 its reverse (1232504131), we get a palindrome (2546556452).

The spelling of 1314052321 in words is "one billion, three hundred fourteen million, fifty-two thousand, three hundred twenty-one".