43441130431 has 2 divisors, whose sum is σ = 43441130432. Its totient is φ = 43441130430.

The previous prime is 43441130401. The next prime is 43441130449. The reversal of 43441130431 is 13403114434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43441130431 - 2⁵ = 43441130399 is a prime.

It is a super-2 number, since 2×43441130431² (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 43441130431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43441130401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21720565215 + 21720565216.

It is an arithmetic number, because the mean of its divisors is an integer number (21720565216).

Almost surely, 2^43441130431 is an apocalyptic number.

43441130431 is a deficient number, since it is larger than the sum of its proper divisors (1).

43441130431 is an equidigital number, since it uses as much as digits as its factorization.

43441130431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 43441130431 its reverse (13403114434), we get a palindrome (56844244865).

The spelling of 43441130431 in words is "forty-three billion, four hundred forty-one million, one hundred thirty thousand, four hundred thirty-one".