131232140421541 has 2 divisors, whose sum is σ = 131232140421542. Its totient is φ = 131232140421540.

The previous prime is 131232140421461. The next prime is 131232140421559. The reversal of 131232140421541 is 145124041232131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131069388690916 + 162751730625 = 11448554^2 + 403425^2 .

It is a cyclic number.

It is not a de Polignac number, because 131232140421541 - 2⁴⁵ = 96047768332709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131232140421497 and 131232140421506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131232140421581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65616070210770 + 65616070210771.

It is an arithmetic number, because the mean of its divisors is an integer number (65616070210771).

Almost surely, 2^{131232140421541} is an apocalyptic number.

It is an amenable number.

131232140421541 is a deficient number, since it is larger than the sum of its proper divisors (1).

131232140421541 is an equidigital number, since it uses as much as digits as its factorization.

131232140421541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 131232140421541 its reverse (145124041232131), we get a palindrome (276356181653672).

The spelling of 131232140421541 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, one hundred forty million, four hundred twenty-one thousand, five hundred forty-one".