131321126303 has 2 divisors, whose sum is σ = 131321126304. Its totient is φ = 131321126302.

The previous prime is 131321126263. The next prime is 131321126333. The reversal of 131321126303 is 303621123131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131321126303 - 2¹⁰ = 131321125279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131321126333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65660563151 + 65660563152.

It is an arithmetic number, because the mean of its divisors is an integer number (65660563152).

Almost surely, 2^131321126303 is an apocalyptic number.

131321126303 is a deficient number, since it is larger than the sum of its proper divisors (1).

131321126303 is an equidigital number, since it uses as much as digits as its factorization.

131321126303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131321126303 its reverse (303621123131), we get a palindrome (434942249434).

The spelling of 131321126303 in words is "one hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-six thousand, three hundred three".