43030420431 has 4 divisors (see below), whose sum is σ = 57373893912. Its totient is φ = 28686946952.

The previous prime is 43030420421. The next prime is 43030420441. The reversal of 43030420431 is 13402403034.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (43030420421) and next prime (43030420441).

It is a cyclic number.

It is not a de Polignac number, because 43030420431 - 2⁹ = 43030419919 is a prime.

It is a super-2 number, since 2×43030420431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43030420421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7171736736 + ... + 7171736741.

It is an arithmetic number, because the mean of its divisors is an integer number (14343473478).

Almost surely, 2^43030420431 is an apocalyptic number.

43030420431 is a deficient number, since it is larger than the sum of its proper divisors (14343473481).

43030420431 is a wasteful number, since it uses less digits than its factorization.

43030420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14343473480.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 43030420431 its reverse (13402403034), we get a palindrome (56432823465).

The spelling of 43030420431 in words is "forty-three billion, thirty million, four hundred twenty thousand, four hundred thirty-one".