43431061541442 has 16 divisors (see below), whose sum is σ = 88158572681952. Its totient is φ = 14260945580640.

The previous prime is 43431061541389. The next prime is 43431061541447. The reversal of 43431061541442 is 24414516013434.

It is a super-3 number, since 3×43431061541442³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43431061541394 and 43431061541403.

It is not an unprimeable number, because it can be changed into a prime (43431061541447) 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, 54018732859 + ... + 54018733662.

It is an arithmetic number, because the mean of its divisors is an integer number (5509910792622).

Almost surely, 2^{43431061541442} is an apocalyptic number.

43431061541442 is an abundant number, since it is smaller than the sum of its proper divisors (44727511140510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43431061541442 is a wasteful number, since it uses less digits than its factorization.

43431061541442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108037466593.

The product of its (nonzero) digits is 552960, while the sum is 42.

Adding to 43431061541442 its reverse (24414516013434), we get a palindrome (67845577554876).

The spelling of 43431061541442 in words is "forty-three trillion, four hundred thirty-one billion, sixty-one million, five hundred forty-one thousand, four hundred forty-two".