43240141243431 has 96 divisors (see below), whose sum is σ = 72911935848960. Its totient is φ = 24418260000000.

The previous prime is 43240141243399. The next prime is 43240141243459. The reversal of 43240141243431 is 13434214104234.

43240141243431 is a `hidden beast` number, since 4 + 3 + 2 + 40 + 141 + 2 + 43 + 431 = 666.

It is not a de Polignac number, because 43240141243431 - 2⁵ = 43240141243399 is a prime.

It is a super-2 number, since 2×43240141243431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43240141223431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27933481 + ... + 29440781.

It is an arithmetic number, because the mean of its divisors is an integer number (759499331760).

Almost surely, 2^{43240141243431} is an apocalyptic number.

43240141243431 is a deficient number, since it is larger than the sum of its proper divisors (29671794605529).

43240141243431 is a wasteful number, since it uses less digits than its factorization.

43240141243431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507589 (or 1507586 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 43240141243431 its reverse (13434214104234), we get a palindrome (56674355347665).

The spelling of 43240141243431 in words is "forty-three trillion, two hundred forty billion, one hundred forty-one million, two hundred forty-three thousand, four hundred thirty-one".