131330347 has 2 divisors, whose sum is σ = 131330348. Its totient is φ = 131330346.

The previous prime is 131330327. The next prime is 131330351. The reversal of 131330347 is 743033131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131330347 is a prime.

It is not a weakly prime, because it can be changed into another prime (131330327) 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, 65665173 + 65665174.

It is an arithmetic number, because the mean of its divisors is an integer number (65665174).

Almost surely, 2^131330347 is an apocalyptic number.

131330347 is a deficient number, since it is larger than the sum of its proper divisors (1).

131330347 is an equidigital number, since it uses as much as digits as its factorization.

131330347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 131330347 is about 11459.9453314577. The cubic root of 131330347 is about 508.3018580768.

Adding to 131330347 its reverse (743033131), we get a palindrome (874363478).

The spelling of 131330347 in words is "one hundred thirty-one million, three hundred thirty thousand, three hundred forty-seven".