13231121102231 has 2 divisors, whose sum is σ = 13231121102232. Its totient is φ = 13231121102230.

The previous prime is 13231121102201. The next prime is 13231121102233. The reversal of 13231121102231 is 13220112113231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13231121102231 - 2⁴² = 8833074591127 is a prime.

It is a super-2 number, since 2×13231121102231² (a number of 27 digits) contains 22 as substring.

Together with 13231121102233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13231121102197 and 13231121102206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231121102233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615560551115 + 6615560551116.

It is an arithmetic number, because the mean of its divisors is an integer number (6615560551116).

Almost surely, 2^{13231121102231} is an apocalyptic number.

13231121102231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231121102231 is an equidigital number, since it uses as much as digits as its factorization.

13231121102231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13231121102231 its reverse (13220112113231), we get a palindrome (26451233215462).

The spelling of 13231121102231 in words is "thirteen trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred two thousand, two hundred thirty-one".