131010443 has 2 divisors, whose sum is σ = 131010444. Its totient is φ = 131010442.

The previous prime is 131010427. The next prime is 131010499. The reversal of 131010443 is 344010131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131010443 - 2⁴ = 131010427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131010413) 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, 65505221 + 65505222.

It is an arithmetic number, because the mean of its divisors is an integer number (65505222).

Almost surely, 2^131010443 is an apocalyptic number.

131010443 is a deficient number, since it is larger than the sum of its proper divisors (1).

131010443 is an equidigital number, since it uses as much as digits as its factorization.

131010443 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 131010443 is about 11445.9793377413. The cubic root of 131010443 is about 507.8888029810. Note that the first 4 decimals are identical.

Adding to 131010443 its reverse (344010131), we get a palindrome (475020574).

The spelling of 131010443 in words is "one hundred thirty-one million, ten thousand, four hundred forty-three".