43431100012141 has 4 divisors (see below), whose sum is σ = 43434850874400. Its totient is φ = 43427349149884.

The previous prime is 43431100012093. The next prime is 43431100012147. The reversal of 43431100012141 is 14121000113434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43431100012141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43431100012147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875413761 + ... + 1875436918.

It is an arithmetic number, because the mean of its divisors is an integer number (10858712718600).

Almost surely, 2^{43431100012141} is an apocalyptic number.

It is an amenable number.

43431100012141 is a deficient number, since it is larger than the sum of its proper divisors (3750862259).

43431100012141 is a wasteful number, since it uses less digits than its factorization.

43431100012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750862258.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 43431100012141 its reverse (14121000113434), we get a palindrome (57552100125575).

The spelling of 43431100012141 in words is "forty-three trillion, four hundred thirty-one billion, one hundred million, twelve thousand, one hundred forty-one".