131030303197 has 2 divisors, whose sum is σ = 131030303198. Its totient is φ = 131030303196.

The previous prime is 131030303171. The next prime is 131030303237. The reversal of 131030303197 is 791303030131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113861704356 + 17168598841 = 337434^2 + 131029^2 .

It is a cyclic number.

It is not a de Polignac number, because 131030303197 - 2¹⁹ = 131029778909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131030303137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515151598 + 65515151599.

It is an arithmetic number, because the mean of its divisors is an integer number (65515151599).

Almost surely, 2^131030303197 is an apocalyptic number.

It is an amenable number.

131030303197 is a deficient number, since it is larger than the sum of its proper divisors (1).

131030303197 is an equidigital number, since it uses as much as digits as its factorization.

131030303197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 31.

The spelling of 131030303197 in words is "one hundred thirty-one billion, thirty million, three hundred three thousand, one hundred ninety-seven".