4043142431 has 2 divisors, whose sum is σ = 4043142432. Its totient is φ = 4043142430.

The previous prime is 4043142391. The next prime is 4043142437. The reversal of 4043142431 is 1342413404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4043142431 is a prime.

It is a super-2 number, since 2×4043142431² = 32694001434705179522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4043142431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043142437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021571215 + 2021571216.

It is an arithmetic number, because the mean of its divisors is an integer number (2021571216).

Almost surely, 2^4043142431 is an apocalyptic number.

4043142431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043142431 is an equidigital number, since it uses as much as digits as its factorization.

4043142431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4043142431 is about 63585.7093300059. The cubic root of 4043142431 is about 1593.0876844743.

Adding to 4043142431 its reverse (1342413404), we get a palindrome (5385555835).

The spelling of 4043142431 in words is "four billion, forty-three million, one hundred forty-two thousand, four hundred thirty-one".