131423131104342 has 64 divisors (see below), whose sum is σ = 328546859097600. Its totient is φ = 34048125262080.

The previous prime is 131423131104341. The next prime is 131423131104367. The reversal of 131423131104342 is 243401131324131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423131104341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365457367 + ... + 365816802.

It is an arithmetic number, because the mean of its divisors is an integer number (5133544673400).

Almost surely, 2^{131423131104342} is an apocalyptic number.

131423131104342 is an abundant number, since it is smaller than the sum of its proper divisors (197123727993258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131423131104342 is a wasteful number, since it uses less digits than its factorization.

131423131104342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731274581.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 131423131104342 its reverse (243401131324131), we get a palindrome (374824262428473).

The spelling of 131423131104342 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred thirty-one million, one hundred four thousand, three hundred forty-two".