4243131 has 16 divisors (see below), whose sum is σ = 6441120. Its totient is φ = 2759040.

The previous prime is 4243121. The next prime is 4243139. The reversal of 4243131 is 1313424.

It is not a de Polignac number, because 4243131 - 2⁶ = 4243067 is a prime.

It is a super-2 number, since 2×4243131² = 36008321366322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4243139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (402570).

Almost surely, 2^4243131 is an apocalyptic number.

4243131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4243131 is a deficient number, since it is larger than the sum of its proper divisors (2197989).

4243131 is a wasteful number, since it uses less digits than its factorization.

4243131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883 (or 3877 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 4243131 is about 2059.8861619031. The cubic root of 4243131 is about 161.8932767585.

Adding to 4243131 its reverse (1313424), we get a palindrome (5556555).

The spelling of 4243131 in words is "four million, two hundred forty-three thousand, one hundred thirty-one".