13131230020422 has 16 divisors (see below), whose sum is σ = 26262517302000. Its totient is φ = 4377067129952.

The previous prime is 13131230020421. The next prime is 13131230020427. The reversal of 13131230020422 is 22402003213131.

It is a junction number, because it is equal to n+sod(n) for n = 13131230020392 and 13131230020401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131230020421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955204 + ... + 5212952.

It is an arithmetic number, because the mean of its divisors is an integer number (1641407331375).

Almost surely, 2^{13131230020422} is an apocalyptic number.

13131230020422 is an abundant number, since it is smaller than the sum of its proper divisors (13131287281578).

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

13131230020422 is a wasteful number, since it uses less digits than its factorization.

13131230020422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771767.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13131230020422 its reverse (22402003213131), we get a palindrome (35533233233553).

The spelling of 13131230020422 in words is "thirteen trillion, one hundred thirty-one billion, two hundred thirty million, twenty thousand, four hundred twenty-two".