It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131320303212323 is a prime.
Almost surely, 2131320303212323 is an apocalyptic number.
131320303212323 is an equidigital number, since it uses as much as digits as its factorization.
131320303212323 is an odious number, because the sum of its binary digits is odd.
Adding to 131320303212323 its reverse (323212303023131), we get a palindrome (454532606235454).
The spelling of 131320303212323 in words is "one hundred thirty-one trillion, three hundred twenty billion, three hundred three million, two hundred twelve thousand, three hundred twenty-three".