131030297 has 2 divisors, whose sum is σ = 131030298. Its totient is φ = 131030296.

The previous prime is 131030281. The next prime is 131030303. The reversal of 131030297 is 792030131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128686336 + 2343961 = 11344^2 + 1531^2 .

It is a cyclic number.

It is not a de Polignac number, because 131030297 - 2⁴ = 131030281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131030267) 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, 65515148 + 65515149.

It is an arithmetic number, because the mean of its divisors is an integer number (65515149).

Almost surely, 2^131030297 is an apocalyptic number.

It is an amenable number.

131030297 is a deficient number, since it is larger than the sum of its proper divisors (1).

131030297 is an equidigital number, since it uses as much as digits as its factorization.

131030297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 131030297 is about 11446.8465963339. The cubic root of 131030297 is about 507.9144577169.

The spelling of 131030297 in words is "one hundred thirty-one million, thirty thousand, two hundred ninety-seven".