131320303212377 has 2 divisors, whose sum is σ = 131320303212378. Its totient is φ = 131320303212376.

The previous prime is 131320303212353. The next prime is 131320303212379. The reversal of 131320303212377 is 773212303023131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121611071563081 + 9709231649296 = 11027741^2 + 3115964^2 .

It is a cyclic number.

It is not a de Polignac number, because 131320303212377 - 2¹⁰ = 131320303211353 is a prime.

Together with 131320303212379, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131320303212377.

It is not a weakly prime, because it can be changed into another prime (131320303212379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65660151606188 + 65660151606189.

It is an arithmetic number, because the mean of its divisors is an integer number (65660151606189).

Almost surely, 2^{131320303212377} is an apocalyptic number.

It is an amenable number.

131320303212377 is a deficient number, since it is larger than the sum of its proper divisors (1).

131320303212377 is an equidigital number, since it uses as much as digits as its factorization.

131320303212377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 38.

The spelling of 131320303212377 in words is "one hundred thirty-one trillion, three hundred twenty billion, three hundred three million, two hundred twelve thousand, three hundred seventy-seven".