4243214244431 has 2 divisors, whose sum is σ = 4243214244432. Its totient is φ = 4243214244430.

The previous prime is 4243214244407. The next prime is 4243214244463. The reversal of 4243214244431 is 1344424123424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243214244431 is a prime.

It is a super-2 number, since 2×4243214244431² (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 (4243214244491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121607122215 + 2121607122216.

It is an arithmetic number, because the mean of its divisors is an integer number (2121607122216).

Almost surely, 2^{4243214244431} is an apocalyptic number.

4243214244431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243214244431 is an equidigital number, since it uses as much as digits as its factorization.

4243214244431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 38.

Adding to 4243214244431 its reverse (1344424123424), we get a palindrome (5587638367855).

The spelling of 4243214244431 in words is "four trillion, two hundred forty-three billion, two hundred fourteen million, two hundred forty-four thousand, four hundred thirty-one".