13110232321 has 2 divisors, whose sum is σ = 13110232322. Its totient is φ = 13110232320.

The previous prime is 13110232273. The next prime is 13110232393. The reversal of 13110232321 is 12323201131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12765610225 + 344622096 = 112985^2 + 18564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13110232321 is a prime.

It is not a weakly prime, because it can be changed into another prime (13110212321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555116160 + 6555116161.

It is an arithmetic number, because the mean of its divisors is an integer number (6555116161).

Almost surely, 2^13110232321 is an apocalyptic number.

It is an amenable number.

13110232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13110232321 is an equidigital number, since it uses as much as digits as its factorization.

13110232321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13110232321 its reverse (12323201131), we get a palindrome (25433433452).

The spelling of 13110232321 in words is "thirteen billion, one hundred ten million, two hundred thirty-two thousand, three hundred twenty-one".