42422143231131 has 4 divisors (see below), whose sum is σ = 56562857641512. Its totient is φ = 28281428820752.

The previous prime is 42422143231129. The next prime is 42422143231147. The reversal of 42422143231131 is 13113234122424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42422143231131 - 2¹ = 42422143231129 is a prime.

It is a super-2 number, since 2×42422143231131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42422143231092 and 42422143231101.

It is not an unprimeable number, because it can be changed into a prime (42422143231151) 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, 7070357205186 + ... + 7070357205191.

It is an arithmetic number, because the mean of its divisors is an integer number (14140714410378).

Almost surely, 2^{42422143231131} is an apocalyptic number.

42422143231131 is a deficient number, since it is larger than the sum of its proper divisors (14140714410381).

42422143231131 is a wasteful number, since it uses less digits than its factorization.

42422143231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140714410380.

The product of its digits is 27648, while the sum is 33.

Adding to 42422143231131 its reverse (13113234122424), we get a palindrome (55535377353555).

The spelling of 42422143231131 in words is "forty-two trillion, four hundred twenty-two billion, one hundred forty-three million, two hundred thirty-one thousand, one hundred thirty-one".