131345783 has 2 divisors, whose sum is σ = 131345784. Its totient is φ = 131345782.

The previous prime is 131345759. The next prime is 131345789. The reversal of 131345783 is 387543131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131345783 - 2⁶ = 131345719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131345789) 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, 65672891 + 65672892.

It is an arithmetic number, because the mean of its divisors is an integer number (65672892).

Almost surely, 2^131345783 is an apocalyptic number.

131345783 is a deficient number, since it is larger than the sum of its proper divisors (1).

131345783 is an equidigital number, since it uses as much as digits as its factorization.

131345783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 131345783 is about 11460.6187878317. The cubic root of 131345783 is about 508.3217718294.

The spelling of 131345783 in words is "one hundred thirty-one million, three hundred forty-five thousand, seven hundred eighty-three".