131342430201797 has 2 divisors, whose sum is σ = 131342430201798. Its totient is φ = 131342430201796.

The previous prime is 131342430201791. The next prime is 131342430201821. The reversal of 131342430201797 is 797102034243131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65821839920356 + 65520590281441 = 8113066^2 + 8094479^2 .

It is a cyclic number.

It is not a de Polignac number, because 131342430201797 - 2²⁶ = 131342363092933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131342430201791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65671215100898 + 65671215100899.

It is an arithmetic number, because the mean of its divisors is an integer number (65671215100899).

Almost surely, 2^{131342430201797} is an apocalyptic number.

It is an amenable number.

131342430201797 is a deficient number, since it is larger than the sum of its proper divisors (1).

131342430201797 is an equidigital number, since it uses as much as digits as its factorization.

131342430201797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 131342430201797 in words is "one hundred thirty-one trillion, three hundred forty-two billion, four hundred thirty million, two hundred one thousand, seven hundred ninety-seven".