14534231321 has 2 divisors, whose sum is σ = 14534231322. Its totient is φ = 14534231320.

The previous prime is 14534231303. The next prime is 14534231333. The reversal of 14534231321 is 12313243541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13170775696 + 1363455625 = 114764^2 + 36925^2 .

It is a cyclic number.

It is not a de Polignac number, because 14534231321 - 2¹⁰ = 14534230297 is a prime.

It is a super-2 number, since 2×14534231321² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14534231351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7267115660 + 7267115661.

It is an arithmetic number, because the mean of its divisors is an integer number (7267115661).

Almost surely, 2^14534231321 is an apocalyptic number.

It is an amenable number.

14534231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14534231321 is an equidigital number, since it uses as much as digits as its factorization.

14534231321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

Adding to 14534231321 its reverse (12313243541), we get a palindrome (26847474862).

The spelling of 14534231321 in words is "fourteen billion, five hundred thirty-four million, two hundred thirty-one thousand, three hundred twenty-one".