131030303237 has 2 divisors, whose sum is σ = 131030303238. Its totient is φ = 131030303236.

The previous prime is 131030303197. The next prime is 131030303267. The reversal of 131030303237 is 732303030131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129999186916 + 1031116321 = 360554^2 + 32111^2 .

It is an emirp because it is prime and its reverse (732303030131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131030303237 - 2¹⁰ = 131030302213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131030303267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515151618 + 65515151619.

It is an arithmetic number, because the mean of its divisors is an integer number (65515151619).

Almost surely, 2^131030303237 is an apocalyptic number.

It is an amenable number.

131030303237 is a deficient number, since it is larger than the sum of its proper divisors (1).

131030303237 is an equidigital number, since it uses as much as digits as its factorization.

131030303237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 26.

Adding to 131030303237 its reverse (732303030131), we get a palindrome (863333333368).

The spelling of 131030303237 in words is "one hundred thirty-one billion, thirty million, three hundred three thousand, two hundred thirty-seven".