131400341 has 2 divisors, whose sum is σ = 131400342. Its totient is φ = 131400340.

The previous prime is 131400329. The next prime is 131400359. The reversal of 131400341 is 143004131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76195441 + 55204900 = 8729^2 + 7430^2 .

It is a cyclic number.

It is not a de Polignac number, because 131400341 - 2⁶ = 131400277 is a prime.

It is a super-2 number, since 2×131400341² = 34532099229832562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131400301) 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, 65700170 + 65700171.

It is an arithmetic number, because the mean of its divisors is an integer number (65700171).

Almost surely, 2^131400341 is an apocalyptic number.

It is an amenable number.

131400341 is a deficient number, since it is larger than the sum of its proper divisors (1).

131400341 is an equidigital number, since it uses as much as digits as its factorization.

131400341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131400341 is about 11462.9987786792. The cubic root of 131400341 is about 508.3921437885.

Adding to 131400341 its reverse (143004131), we get a palindrome (274404472).

The spelling of 131400341 in words is "one hundred thirty-one million, four hundred thousand, three hundred forty-one".