131006398423 has 2 divisors, whose sum is σ = 131006398424. Its totient is φ = 131006398422.

The previous prime is 131006398417. The next prime is 131006398483. The reversal of 131006398423 is 324893600131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131006398423 - 2¹⁷ = 131006267351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131006398483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65503199211 + 65503199212.

It is an arithmetic number, because the mean of its divisors is an integer number (65503199212).

Almost surely, 2^131006398423 is an apocalyptic number.

131006398423 is a deficient number, since it is larger than the sum of its proper divisors (1).

131006398423 is an equidigital number, since it uses as much as digits as its factorization.

131006398423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

Adding to 131006398423 its reverse (324893600131), we get a palindrome (455899998554).

The spelling of 131006398423 in words is "one hundred thirty-one billion, six million, three hundred ninety-eight thousand, four hundred twenty-three".