131344504523399 has 2 divisors, whose sum is σ = 131344504523400. Its totient is φ = 131344504523398.

The previous prime is 131344504523377. The next prime is 131344504523423. The reversal of 131344504523399 is 993325405443131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131344504523399 - 2³² = 131340209556103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131344504528399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65672252261699 + 65672252261700.

It is an arithmetic number, because the mean of its divisors is an integer number (65672252261700).

Almost surely, 2^{131344504523399} is an apocalyptic number.

131344504523399 is a deficient number, since it is larger than the sum of its proper divisors (1).

131344504523399 is an equidigital number, since it uses as much as digits as its factorization.

131344504523399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20995200, while the sum is 56.

The spelling of 131344504523399 in words is "one hundred thirty-one trillion, three hundred forty-four billion, five hundred four million, five hundred twenty-three thousand, three hundred ninety-nine".