131344456567 has 2 divisors, whose sum is σ = 131344456568. Its totient is φ = 131344456566.

The previous prime is 131344456547. The next prime is 131344456577. The reversal of 131344456567 is 765654443131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131344456567 - 2³⁵ = 96984718199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131344456567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131344456547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65672228283 + 65672228284.

It is an arithmetic number, because the mean of its divisors is an integer number (65672228284).

Almost surely, 2^131344456567 is an apocalyptic number.

131344456567 is a deficient number, since it is larger than the sum of its proper divisors (1).

131344456567 is an equidigital number, since it uses as much as digits as its factorization.

131344456567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 49.

Adding to 131344456567 its reverse (765654443131), we get a palindrome (896998899698).

The spelling of 131344456567 in words is "one hundred thirty-one billion, three hundred forty-four million, four hundred fifty-six thousand, five hundred sixty-seven".