131345425331999 has 2 divisors, whose sum is σ = 131345425332000. Its totient is φ = 131345425331998.

The previous prime is 131345425331977. The next prime is 131345425332137. The reversal of 131345425331999 is 999133524543131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131345425331999 - 2¹² = 131345425327903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131345425331969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65672712665999 + 65672712666000.

It is an arithmetic number, because the mean of its divisors is an integer number (65672712666000).

Almost surely, 2^{131345425331999} is an apocalyptic number.

131345425331999 is a deficient number, since it is larger than the sum of its proper divisors (1).

131345425331999 is an equidigital number, since it uses as much as digits as its factorization.

131345425331999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47239200, while the sum is 62.

The spelling of 131345425331999 in words is "one hundred thirty-one trillion, three hundred forty-five billion, four hundred twenty-five million, three hundred thirty-one thousand, nine hundred ninety-nine".