131344337 has 2 divisors, whose sum is σ = 131344338. Its totient is φ = 131344336.

The previous prime is 131344333. The next prime is 131344379. The reversal of 131344337 is 733443131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72607441 + 58736896 = 8521^2 + 7664^2 .

It is a cyclic number.

It is not a de Polignac number, because 131344337 - 2² = 131344333 is a prime.

It is not a weakly prime, because it can be changed into another prime (131344333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65672168 + 65672169.

It is an arithmetic number, because the mean of its divisors is an integer number (65672169).

Almost surely, 2^131344337 is an apocalyptic number.

It is an amenable number.

131344337 is a deficient number, since it is larger than the sum of its proper divisors (1).

131344337 is an equidigital number, since it uses as much as digits as its factorization.

131344337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The square root of 131344337 is about 11460.5557020591. Note that the first 3 decimals coincide. The cubic root of 131344337 is about 508.3199064327.

Adding to 131344337 its reverse (733443131), we get a palindrome (864787468).

It can be divided in two parts, 13134 and 4337, that added together give a palindrome (17471).

The spelling of 131344337 in words is "one hundred thirty-one million, three hundred forty-four thousand, three hundred thirty-seven".