43141231323140 has 12 divisors (see below), whose sum is σ = 90596585778636. Its totient is φ = 17256492529248.

The previous prime is 43141231323131. The next prime is 43141231323161. The reversal of 43141231323140 is 4132313214134.

It can be written as a sum of positive squares in 2 ways, for example, as 18835877761024 + 24305353562116 = 4340032^2 + 4930046^2 .

It is a super-2 number, since 2×43141231323140² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43141231323097 and 43141231323106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078530783059 + ... + 1078530783098.

It is an arithmetic number, because the mean of its divisors is an integer number (7549715481553).

Almost surely, 2^{43141231323140} is an apocalyptic number.

It is an amenable number.

43141231323140 is an abundant number, since it is smaller than the sum of its proper divisors (47455354455496).

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

43141231323140 is a wasteful number, since it uses less digits than its factorization.

43141231323140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157061566166 (or 2157061566164 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 43141231323140 its reverse (4132313214134), we get a palindrome (47273544537274).

The spelling of 43141231323140 in words is "forty-three trillion, one hundred forty-one billion, two hundred thirty-one million, three hundred twenty-three thousand, one hundred forty".