43040422243031 has 16 divisors (see below), whose sum is σ = 45170639700000. Its totient is φ = 40954187409408.

The previous prime is 43040422242977. The next prime is 43040422243043. The reversal of 43040422243031 is 13034222404034.

It is a cyclic number.

It is not a de Polignac number, because 43040422243031 - 2²⁶ = 43040355134167 is a prime.

It is a super-2 number, since 2×43040422243031² (a number of 28 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 (43040422233031) 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, 5494721 + ... + 10782986.

It is an arithmetic number, because the mean of its divisors is an integer number (2823164981250).

Almost surely, 2^{43040422243031} is an apocalyptic number.

43040422243031 is a deficient number, since it is larger than the sum of its proper divisors (2130217456969).

43040422243031 is a wasteful number, since it uses less digits than its factorization.

43040422243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16279058.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 43040422243031 its reverse (13034222404034), we get a palindrome (56074644647065).

The spelling of 43040422243031 in words is "forty-three trillion, forty billion, four hundred twenty-two million, two hundred forty-three thousand, thirty-one".