131423114020243 has 4 divisors (see below), whose sum is σ = 133274143795248. Its totient is φ = 129572084245240.

The previous prime is 131423114020241. The next prime is 131423114020283. The reversal of 131423114020243 is 342020411324131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131423114020243 - 2¹ = 131423114020241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131423114020241) 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 in 3 ways as a sum of consecutive naturals, for example, 925514887396 + ... + 925514887537.

It is an arithmetic number, because the mean of its divisors is an integer number (33318535948812).

Almost surely, 2^{131423114020243} is an apocalyptic number.

131423114020243 is a deficient number, since it is larger than the sum of its proper divisors (1851029775005).

131423114020243 is an equidigital number, since it uses as much as digits as its factorization.

131423114020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851029775004.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 131423114020243 its reverse (342020411324131), we get a palindrome (473443525344374).

The spelling of 131423114020243 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred fourteen million, twenty thousand, two hundred forty-three".