4243434031 has 6 divisors (see below), whose sum is σ = 4349458496. Its totient is φ = 4139934000.

The previous prime is 4243434023. The next prime is 4243434037. The reversal of 4243434031 is 1304343424.

It is not a de Polignac number, because 4243434031 - 2³ = 4243434023 is a prime.

It is a super-2 number, since 2×4243434031² = 36013464750897817922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243434037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1260495 + ... + 1263856.

Almost surely, 2^4243434031 is an apocalyptic number.

4243434031 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4243434031 is a deficient number, since it is larger than the sum of its proper divisors (106024465).

4243434031 is an equidigital number, since it uses as much as digits as its factorization.

4243434031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524433 (or 2524392 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4243434031 is about 65141.6459033697. The cubic root of 4243434031 is about 1618.9713063538.

Adding to 4243434031 its reverse (1304343424), we get a palindrome (5547777455).

The spelling of 4243434031 in words is "four billion, two hundred forty-three million, four hundred thirty-four thousand, thirty-one".