13231231231133 has 2 divisors, whose sum is σ = 13231231231134. Its totient is φ = 13231231231132.

The previous prime is 13231231231091. The next prime is 13231231231151. The reversal of 13231231231133 is 33113213213231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13230518714884 + 712516249 = 3637378^2 + 26693^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231231231133 - 2²⁶ = 13231164122269 is a prime.

It is a super-3 number, since 3×13231231231133³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13231231231096 and 13231231231105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231231231193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615615615566 + 6615615615567.

It is an arithmetic number, because the mean of its divisors is an integer number (6615615615567).

Almost surely, 2^{13231231231133} is an apocalyptic number.

It is an amenable number.

13231231231133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231231231133 is an equidigital number, since it uses as much as digits as its factorization.

13231231231133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 29.

Adding to 13231231231133 its reverse (33113213213231), we get a palindrome (46344444444364).

The spelling of 13231231231133 in words is "thirteen trillion, two hundred thirty-one billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-three".