13131132323263 has 2 divisors, whose sum is σ = 13131132323264. Its totient is φ = 13131132323262.

The previous prime is 13131132323189. The next prime is 13131132323303. The reversal of 13131132323263 is 36232323113131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13131132323263 - 2⁹ = 13131132322751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13131132320263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565566161631 + 6565566161632.

It is an arithmetic number, because the mean of its divisors is an integer number (6565566161632).

Almost surely, 2^{13131132323263} is an apocalyptic number.

13131132323263 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131132323263 is an equidigital number, since it uses as much as digits as its factorization.

13131132323263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 34.

Adding to 13131132323263 its reverse (36232323113131), we get a palindrome (49363455436394).

The spelling of 13131132323263 in words is "thirteen trillion, one hundred thirty-one billion, one hundred thirty-two million, three hundred twenty-three thousand, two hundred sixty-three".