131303023111217 has 2 divisors, whose sum is σ = 131303023111218. Its totient is φ = 131303023111216.

The previous prime is 131303023111213. The next prime is 131303023111231. The reversal of 131303023111217 is 712111320303131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110792549846416 + 20510473264801 = 10525804^2 + 4528849^2 .

It is a cyclic number.

It is not a de Polignac number, because 131303023111217 - 2² = 131303023111213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131303023111217.

It is not a weakly prime, because it can be changed into another prime (131303023111213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651511555608 + 65651511555609.

It is an arithmetic number, because the mean of its divisors is an integer number (65651511555609).

Almost surely, 2^{131303023111217} is an apocalyptic number.

It is an amenable number.

131303023111217 is a deficient number, since it is larger than the sum of its proper divisors (1).

131303023111217 is an equidigital number, since it uses as much as digits as its factorization.

131303023111217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

Adding to 131303023111217 its reverse (712111320303131), we get a palindrome (843414343414348).

The spelling of 131303023111217 in words is "one hundred thirty-one trillion, three hundred three billion, twenty-three million, one hundred eleven thousand, two hundred seventeen".