43340302431 has 12 divisors (see below), whose sum is σ = 65897536120. Its totient is φ = 27372822480.

The previous prime is 43340302409. The next prime is 43340302433. The reversal of 43340302431 is 13420304334.

It is not a de Polignac number, because 43340302431 - 2²⁶ = 43273193567 is a prime.

It is a super-2 number, since 2×43340302431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43340302395 and 43340302404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43340302433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126725860 + ... + 126726201.

Almost surely, 2^43340302431 is an apocalyptic number.

43340302431 is a deficient number, since it is larger than the sum of its proper divisors (22557233689).

43340302431 is a wasteful number, since it uses less digits than its factorization.

43340302431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253452086 (or 253452083 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 43340302431 its reverse (13420304334), we get a palindrome (56760606765).

The spelling of 43340302431 in words is "forty-three billion, three hundred forty million, three hundred two thousand, four hundred thirty-one".