4243422131 has 16 divisors (see below), whose sum is σ = 4652145120. Its totient is φ = 3846597120.

The previous prime is 4243422121. The next prime is 4243422149. The reversal of 4243422131 is 1312243424.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243422131 is a prime.

It is a super-2 number, since 2×4243422131² = 36013262763721162322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4243422131.

It is not an unprimeable number, because it can be changed into a prime (4243422121) 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 in 15 ways as a sum of consecutive naturals, for example, 928091 + ... + 932651.

It is an arithmetic number, because the mean of its divisors is an integer number (290759070).

Almost surely, 2^4243422131 is an apocalyptic number.

4243422131 is a deficient number, since it is larger than the sum of its proper divisors (408722989).

4243422131 is a wasteful number, since it uses less digits than its factorization.

4243422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846.

The product of its digits is 4608, while the sum is 26.

The square root of 4243422131 is about 65141.5545638880. The cubic root of 4243422131 is about 1618.9697929745.

Adding to 4243422131 its reverse (1312243424), we get a palindrome (5555665555).

The spelling of 4243422131 in words is "four billion, two hundred forty-three million, four hundred twenty-two thousand, one hundred thirty-one".