131203110320201 has 2 divisors, whose sum is σ = 131203110320202. Its totient is φ = 131203110320200.

The previous prime is 131203110320159. The next prime is 131203110320231. The reversal of 131203110320201 is 102023011302131.

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., 93522419148601 + 37680691171600 = 9670699^2 + 6138460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131203110320201 is a prime.

It is not a weakly prime, because it can be changed into another prime (131203110320231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601555160100 + 65601555160101.

It is an arithmetic number, because the mean of its divisors is an integer number (65601555160101).

Almost surely, 2^{131203110320201} is an apocalyptic number.

It is an amenable number.

131203110320201 is a deficient number, since it is larger than the sum of its proper divisors (1).

131203110320201 is an equidigital number, since it uses as much as digits as its factorization.

131203110320201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131203110320201 its reverse (102023011302131), we get a palindrome (233226121622332).

The spelling of 131203110320201 in words is "one hundred thirty-one trillion, two hundred three billion, one hundred ten million, three hundred twenty thousand, two hundred one".