4243230031 has 2 divisors, whose sum is σ = 4243230032. Its totient is φ = 4243230030.

The previous prime is 4243230023. The next prime is 4243230109. The reversal of 4243230031 is 1300323424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4243230031 - 2³ = 4243230023 is a prime.

It is a super-2 number, since 2×4243230031² = 36010002191960521922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4243229984 and 4243230011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243230001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121615015 + 2121615016.

It is an arithmetic number, because the mean of its divisors is an integer number (2121615016).

Almost surely, 2^4243230031 is an apocalyptic number.

4243230031 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243230031 is an equidigital number, since it uses as much as digits as its factorization.

4243230031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 4243230031 is about 65140.0800659625. The cubic root of 4243230031 is about 1618.9453623160.

Adding to 4243230031 its reverse (1300323424), we get a palindrome (5543553455).

The spelling of 4243230031 in words is "four billion, two hundred forty-three million, two hundred thirty thousand, thirty-one".