13133201231 has 2 divisors, whose sum is σ = 13133201232. Its totient is φ = 13133201230.

The previous prime is 13133201189. The next prime is 13133201239. The reversal of 13133201231 is 13210233131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13133201231 - 2⁶ = 13133201167 is a prime.

It is a super-2 number, since 2×13133201231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13133201239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566600615 + 6566600616.

It is an arithmetic number, because the mean of its divisors is an integer number (6566600616).

Almost surely, 2^13133201231 is an apocalyptic number.

13133201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13133201231 is an equidigital number, since it uses as much as digits as its factorization.

13133201231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13133201231 its reverse (13210233131), we get a palindrome (26343434362).

The spelling of 13133201231 in words is "thirteen billion, one hundred thirty-three million, two hundred one thousand, two hundred thirty-one".