131299365269 has 2 divisors, whose sum is σ = 131299365270. Its totient is φ = 131299365268.

The previous prime is 131299365107. The next prime is 131299365277. The reversal of 131299365269 is 962563992131.

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., 131293899025 + 5466244 = 362345^2 + 2338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131299365269 is a prime.

It is a super-2 number, since 2×131299365269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131299361269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65649682634 + 65649682635.

It is an arithmetic number, because the mean of its divisors is an integer number (65649682635).

Almost surely, 2^131299365269 is an apocalyptic number.

It is an amenable number.

131299365269 is a deficient number, since it is larger than the sum of its proper divisors (1).

131299365269 is an equidigital number, since it uses as much as digits as its factorization.

131299365269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4723920, while the sum is 56.

The spelling of 131299365269 in words is "one hundred thirty-one billion, two hundred ninety-nine million, three hundred sixty-five thousand, two hundred sixty-nine".