43241442431 has 16 divisors (see below), whose sum is σ = 47479461120. Its totient is φ = 39054833280.

The previous prime is 43241442341. The next prime is 43241442487. The reversal of 43241442431 is 13424414234.

It is a cyclic number.

It is not a de Polignac number, because 43241442431 - 2¹⁴ = 43241426047 is a prime.

It is a super-2 number, since 2×43241442431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43241442631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4435160 + ... + 4444898.

It is an arithmetic number, because the mean of its divisors is an integer number (2967466320).

Almost surely, 2^43241442431 is an apocalyptic number.

43241442431 is a deficient number, since it is larger than the sum of its proper divisors (4238018689).

43241442431 is a wasteful number, since it uses less digits than its factorization.

43241442431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12334.

The product of its digits is 36864, while the sum is 32.

Adding to 43241442431 its reverse (13424414234), we get a palindrome (56665856665).

The spelling of 43241442431 in words is "forty-three billion, two hundred forty-one million, four hundred forty-two thousand, four hundred thirty-one".