43034400431 has 4 divisors (see below), whose sum is σ = 46946618664. Its totient is φ = 39122182200.

The previous prime is 43034400419. The next prime is 43034400449. The reversal of 43034400431 is 13400443034.

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

It is a cyclic number.

It is not a de Polignac number, because 43034400431 - 2²⁶ = 42967291567 is a prime.

It is a super-2 number, since 2×43034400431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43034400431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43034400931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1956109100 + ... + 1956109121.

It is an arithmetic number, because the mean of its divisors is an integer number (11736654666).

Almost surely, 2^43034400431 is an apocalyptic number.

43034400431 is a deficient number, since it is larger than the sum of its proper divisors (3912218233).

43034400431 is a wasteful number, since it uses less digits than its factorization.

43034400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912218232.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 43034400431 its reverse (13400443034), we get a palindrome (56434843465).

The spelling of 43034400431 in words is "forty-three billion, thirty-four million, four hundred thousand, four hundred thirty-one".