13255313231 has 2 divisors, whose sum is σ = 13255313232. Its totient is φ = 13255313230.

The previous prime is 13255313221. The next prime is 13255313327. The reversal of 13255313231 is 13231355231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13231355231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13255313231 - 2¹⁰ = 13255312207 is a prime.

It is a super-2 number, since 2×13255313231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13255313194 and 13255313203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13255313221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627656615 + 6627656616.

It is an arithmetic number, because the mean of its divisors is an integer number (6627656616).

Almost surely, 2^13255313231 is an apocalyptic number.

13255313231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13255313231 is an equidigital number, since it uses as much as digits as its factorization.

13255313231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 29.

Adding to 13255313231 its reverse (13231355231), we get a palindrome (26486668462).

The spelling of 13255313231 in words is "thirteen billion, two hundred fifty-five million, three hundred thirteen thousand, two hundred thirty-one".