4243124331 has 12 divisors (see below), whose sum is σ = 6355956152. Its totient is φ = 2828749392.

The previous prime is 4243124323. The next prime is 4243124339. The reversal of 4243124331 is 1334213424.

It is an interprime number because it is at equal distance from previous prime (4243124323) and next prime (4243124339).

It is not a de Polignac number, because 4243124331 - 2³ = 4243124323 is a prime.

It is a super-2 number, since 2×4243124331² = 36008208176648395122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4243124295 and 4243124304.

It is not an unprimeable number, because it can be changed into a prime (4243124339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8730466 + ... + 8730951.

Almost surely, 2^4243124331 is an apocalyptic number.

4243124331 is a deficient number, since it is larger than the sum of its proper divisors (2112831821).

4243124331 is an equidigital number, since it uses as much as digits as its factorization.

4243124331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17461432 (or 17461420 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 4243124331 is about 65139.2687324628. The cubic root of 4243124331 is about 1618.9319194164.

Adding to 4243124331 its reverse (1334213424), we get a palindrome (5577337755).

The spelling of 4243124331 in words is "four billion, two hundred forty-three million, one hundred twenty-four thousand, three hundred thirty-one".