422135230131 has 24 divisors (see below), whose sum is σ = 643051805760. Its totient is φ = 276653587752.

The previous prime is 422135230063. The next prime is 422135230189. The reversal of 422135230131 is 131032531224.

422135230131 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 3 + 523 + 0 + 131 = 666.

It is not a de Polignac number, because 422135230131 - 2¹¹ = 422135228083 is a prime.

It is a super-2 number, since 2×422135230131² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 422135230095 and 422135230104.

It is not an unprimeable number, because it can be changed into a prime (422135230831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14707545 + ... + 14736218.

It is an arithmetic number, because the mean of its divisors is an integer number (26793825240).

Almost surely, 2^422135230131 is an apocalyptic number.

422135230131 is a deficient number, since it is larger than the sum of its proper divisors (220916575629).

422135230131 is an equidigital number, since it uses as much as digits as its factorization.

422135230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29443837 (or 29443825 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 422135230131 its reverse (131032531224), we get a palindrome (553167761355).

The spelling of 422135230131 in words is "four hundred twenty-two billion, one hundred thirty-five million, two hundred thirty thousand, one hundred thirty-one".