4243033304431 has 2 divisors, whose sum is σ = 4243033304432. Its totient is φ = 4243033304430.

The previous prime is 4243033304381. The next prime is 4243033304459. The reversal of 4243033304431 is 1344033303424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4243033304431 - 2⁹ = 4243033303919 is a prime.

It is a super-2 number, since 2×4243033304431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243033307431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121516652215 + 2121516652216.

It is an arithmetic number, because the mean of its divisors is an integer number (2121516652216).

Almost surely, 2^{4243033304431} is an apocalyptic number.

4243033304431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243033304431 is an equidigital number, since it uses as much as digits as its factorization.

4243033304431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 4243033304431 its reverse (1344033303424), we get a palindrome (5587066607855).

The spelling of 4243033304431 in words is "four trillion, two hundred forty-three billion, thirty-three million, three hundred four thousand, four hundred thirty-one".