43041131431 has 8 divisors (see below), whose sum is σ = 43368156000. Its totient is φ = 42715316640.

The previous prime is 43041131387. The next prime is 43041131447. The reversal of 43041131431 is 13413114034.

It is a happy number.

43041131431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43041131431 - 2¹⁵ = 43041098663 is a prime.

It is a super-2 number, since 2×43041131431² (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 = 43041131396 and 43041131405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43041131461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230956 + ... + 373393.

It is an arithmetic number, because the mean of its divisors is an integer number (5421019500).

Almost surely, 2^43041131431 is an apocalyptic number.

43041131431 is a deficient number, since it is larger than the sum of its proper divisors (327024569).

43041131431 is a wasteful number, since it uses less digits than its factorization.

43041131431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604889.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 43041131431 its reverse (13413114034), we get a palindrome (56454245465).

The spelling of 43041131431 in words is "forty-three billion, forty-one million, one hundred thirty-one thousand, four hundred thirty-one".