131812301 has 2 divisors, whose sum is σ = 131812302. Its totient is φ = 131812300.

The previous prime is 131812267. The next prime is 131812327. The reversal of 131812301 is 103218131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122655625 + 9156676 = 11075^2 + 3026^2 .

It is a cyclic number.

It is not a de Polignac number, because 131812301 - 2¹⁸ = 131550157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131812361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65906150 + 65906151.

It is an arithmetic number, because the mean of its divisors is an integer number (65906151).

Almost surely, 2^131812301 is an apocalyptic number.

It is an amenable number.

131812301 is a deficient number, since it is larger than the sum of its proper divisors (1).

131812301 is an equidigital number, since it uses as much as digits as its factorization.

131812301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 131812301 is about 11480.9538366810. The cubic root of 131812301 is about 508.9228850177.

The spelling of 131812301 in words is "one hundred thirty-one million, eight hundred twelve thousand, three hundred one".