13232231213 has 2 divisors, whose sum is σ = 13232231214. Its totient is φ = 13232231212.

The previous prime is 13232231209. The next prime is 13232231293. The reversal of 13232231213 is 31213223231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11919835684 + 1312395529 = 109178^2 + 36227^2 .

It is an emirp because it is prime and its reverse (31213223231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13232231213 - 2² = 13232231209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13232231293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616115606 + 6616115607.

It is an arithmetic number, because the mean of its divisors is an integer number (6616115607).

Almost surely, 2^13232231213 is an apocalyptic number.

It is an amenable number.

13232231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13232231213 is an equidigital number, since it uses as much as digits as its factorization.

13232231213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 13232231213 its reverse (31213223231), we get a palindrome (44445454444).

The spelling of 13232231213 in words is "thirteen billion, two hundred thirty-two million, two hundred thirty-one thousand, two hundred thirteen".