131442301 has 2 divisors, whose sum is σ = 131442302. Its totient is φ = 131442300.

The previous prime is 131442281. The next prime is 131442319. The reversal of 131442301 is 103244131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130988025 + 454276 = 11445^2 + 674^2 .

It is a cyclic number.

It is not a de Polignac number, because 131442301 - 2⁹ = 131441789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131442341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65721150 + 65721151.

It is an arithmetic number, because the mean of its divisors is an integer number (65721151).

Almost surely, 2^131442301 is an apocalyptic number.

It is an amenable number.

131442301 is a deficient number, since it is larger than the sum of its proper divisors (1).

131442301 is an equidigital number, since it uses as much as digits as its factorization.

131442301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131442301 is about 11464.8288691982. The cubic root of 131442301 is about 508.4462528924.

Adding to 131442301 its reverse (103244131), we get a palindrome (234686432).

The spelling of 131442301 in words is "one hundred thirty-one million, four hundred forty-two thousand, three hundred one".