42343022131 has 2 divisors, whose sum is σ = 42343022132. Its totient is φ = 42343022130.

The previous prime is 42343022123. The next prime is 42343022167. The reversal of 42343022131 is 13122034324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42343022131 - 2³ = 42343022123 is a prime.

It is a super-2 number, since 2×42343022131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42343022096 and 42343022105.

It is not a weakly prime, because it can be changed into another prime (42343022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171511065 + 21171511066.

It is an arithmetic number, because the mean of its divisors is an integer number (21171511066).

Almost surely, 2^42343022131 is an apocalyptic number.

42343022131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42343022131 is an equidigital number, since it uses as much as digits as its factorization.

42343022131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42343022131 its reverse (13122034324), we get a palindrome (55465056455).

The spelling of 42343022131 in words is "forty-two billion, three hundred forty-three million, twenty-two thousand, one hundred thirty-one".