13232131181 has 2 divisors, whose sum is σ = 13232131182. Its totient is φ = 13232131180.

The previous prime is 13232131147. The next prime is 13232131193. The reversal of 13232131181 is 18113123231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12292156900 + 939974281 = 110870^2 + 30659^2 .

It is a cyclic number.

It is not a de Polignac number, because 13232131181 - 2⁶ = 13232131117 is a prime.

It is a super-2 number, since 2×13232131181² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13232131181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231131181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616065590 + 6616065591.

It is an arithmetic number, because the mean of its divisors is an integer number (6616065591).

Almost surely, 2^13232131181 is an apocalyptic number.

It is an amenable number.

13232131181 is a deficient number, since it is larger than the sum of its proper divisors (1).

13232131181 is an equidigital number, since it uses as much as digits as its factorization.

13232131181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The spelling of 13232131181 in words is "thirteen billion, two hundred thirty-two million, one hundred thirty-one thousand, one hundred eighty-one".