131423131421222 has 8 divisors (see below), whose sum is σ = 197166477691656. Its totient is φ = 65700972190672.

The previous prime is 131423131421209. The next prime is 131423131421227. The reversal of 131423131421222 is 222124131324131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423131421227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5296744463 + ... + 5296769274.

It is an arithmetic number, because the mean of its divisors is an integer number (24645809711457).

Almost surely, 2^{131423131421222} is an apocalyptic number.

131423131421222 is a deficient number, since it is larger than the sum of its proper divisors (65743346270434).

131423131421222 is a wasteful number, since it uses less digits than its factorization.

131423131421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593519942.

The product of its digits is 13824, while the sum is 32.

Adding to 131423131421222 its reverse (222124131324131), we get a palindrome (353547262745353).

The spelling of 131423131421222 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred thirty-one million, four hundred twenty-one thousand, two hundred twenty-two".