131423431430344 has 32 divisors (see below), whose sum is σ = 247900093423200. Its totient is φ = 65317049533440.

The previous prime is 131423431430299. The next prime is 131423431430351. The reversal of 131423431430344 is 443034134324131.

It is a junction number, because it is equal to n+sod(n) for n = 131423431430297 and 131423431430306.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15958617 + ... + 22749160.

It is an arithmetic number, because the mean of its divisors is an integer number (7746877919475).

Almost surely, 2^{131423431430344} is an apocalyptic number.

It is an amenable number.

131423431430344 is a deficient number, since it is larger than the sum of its proper divisors (116476661992856).

131423431430344 is a wasteful number, since it uses less digits than its factorization.

131423431430344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38710333 (or 38710329 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 40.

Adding to 131423431430344 its reverse (443034134324131), we get a palindrome (574457565754475).

The spelling of 131423431430344 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, four hundred thirty-one million, four hundred thirty thousand, three hundred forty-four".