1314243321 has 4 divisors (see below), whose sum is σ = 1752324432. Its totient is φ = 876162212.

The previous prime is 1314243313. The next prime is 1314243323. The reversal of 1314243321 is 1233424131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1233424131 = 3 ⋅411141377.

It is a cyclic number.

It is not a de Polignac number, because 1314243321 - 2³ = 1314243313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1314243291 and 1314243300.

It is not an unprimeable number, because it can be changed into a prime (1314243323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219040551 + ... + 219040556.

It is an arithmetic number, because the mean of its divisors is an integer number (438081108).

Almost surely, 2^1314243321 is an apocalyptic number.

It is an amenable number.

1314243321 is a deficient number, since it is larger than the sum of its proper divisors (438081111).

1314243321 is an equidigital number, since it uses as much as digits as its factorization.

1314243321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438081110.

The product of its digits is 1728, while the sum is 24.

The square root of 1314243321 is about 36252.4939969652. The cubic root of 1314243321 is about 1095.3643265489.

Adding to 1314243321 its reverse (1233424131), we get a palindrome (2547667452).

The spelling of 1314243321 in words is "one billion, three hundred fourteen million, two hundred forty-three thousand, three hundred twenty-one".