131403520314541 has 2 divisors, whose sum is σ = 131403520314542. Its totient is φ = 131403520314540.

The previous prime is 131403520314439. The next prime is 131403520314569. The reversal of 131403520314541 is 145413025304131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122992070252041 + 8411450062500 = 11090179^2 + 2900250^2 .

It is a cyclic number.

It is not a de Polignac number, because 131403520314541 - 2²⁹ = 131402983443629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131403520314541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403520317541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701760157270 + 65701760157271.

It is an arithmetic number, because the mean of its divisors is an integer number (65701760157271).

Almost surely, 2^{131403520314541} is an apocalyptic number.

It is an amenable number.

131403520314541 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403520314541 is an equidigital number, since it uses as much as digits as its factorization.

131403520314541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 131403520314541 its reverse (145413025304131), we get a palindrome (276816545618672).

The spelling of 131403520314541 in words is "one hundred thirty-one trillion, four hundred three billion, five hundred twenty million, three hundred fourteen thousand, five hundred forty-one".