131258920843 has 2 divisors, whose sum is σ = 131258920844. Its totient is φ = 131258920842.

The previous prime is 131258920841. The next prime is 131258920853. The reversal of 131258920843 is 348029852131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131258920843 - 2¹ = 131258920841 is a prime.

Together with 131258920841, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 131258920793 and 131258920802.

It is not a weakly prime, because it can be changed into another prime (131258920841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65629460421 + 65629460422.

It is an arithmetic number, because the mean of its divisors is an integer number (65629460422).

Almost surely, 2^131258920843 is an apocalyptic number.

131258920843 is a deficient number, since it is larger than the sum of its proper divisors (1).

131258920843 is an equidigital number, since it uses as much as digits as its factorization.

131258920843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 131258920843 in words is "one hundred thirty-one billion, two hundred fifty-eight million, nine hundred twenty thousand, eight hundred forty-three".