131030303513 has 2 divisors, whose sum is σ = 131030303514. Its totient is φ = 131030303512.

The previous prime is 131030303447. The next prime is 131030303533. The reversal of 131030303513 is 315303030131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90400644889 + 40629658624 = 300667^2 + 201568^2 .

It is a cyclic number.

It is not a de Polignac number, because 131030303513 - 2¹⁶ = 131030237977 is a prime.

It is not a weakly prime, because it can be changed into another prime (131030303533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515151756 + 65515151757.

It is an arithmetic number, because the mean of its divisors is an integer number (65515151757).

Almost surely, 2^131030303513 is an apocalyptic number.

It is an amenable number.

131030303513 is a deficient number, since it is larger than the sum of its proper divisors (1).

131030303513 is an equidigital number, since it uses as much as digits as its factorization.

131030303513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 23.

Adding to 131030303513 its reverse (315303030131), we get a palindrome (446333333644).

The spelling of 131030303513 in words is "one hundred thirty-one billion, thirty million, three hundred three thousand, five hundred thirteen".