42322344131 has 4 divisors (see below), whose sum is σ = 42330540192. Its totient is φ = 42314148072.

The previous prime is 42322344121. The next prime is 42322344187. The reversal of 42322344131 is 13144322324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42322344131 is a prime.

It is a super-2 number, since 2×42322344131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42322344094 and 42322344103.

It is not an unprimeable number, because it can be changed into a prime (42322344121) 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, 4090280 + ... + 4100613.

It is an arithmetic number, because the mean of its divisors is an integer number (10582635048).

Almost surely, 2^42322344131 is an apocalyptic number.

42322344131 is a deficient number, since it is larger than the sum of its proper divisors (8196061).

42322344131 is an equidigital number, since it uses as much as digits as its factorization.

42322344131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196060.

The product of its digits is 13824, while the sum is 29.

Adding to 42322344131 its reverse (13144322324), we get a palindrome (55466666455).

The spelling of 42322344131 in words is "forty-two billion, three hundred twenty-two million, three hundred forty-four thousand, one hundred thirty-one".