43131442101 has 32 divisors (see below), whose sum is σ = 66444624000. Its totient is φ = 24596090880.

The previous prime is 43131442063. The next prime is 43131442117. The reversal of 43131442101 is 10124413134.

43131442101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43131442101 - 2¹³ = 43131433909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43131442121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2802375 + ... + 2817723.

It is an arithmetic number, because the mean of its divisors is an integer number (2076394500).

Almost surely, 2^43131442101 is an apocalyptic number.

It is an amenable number.

43131442101 is a deficient number, since it is larger than the sum of its proper divisors (23313181899).

43131442101 is a wasteful number, since it uses less digits than its factorization.

43131442101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20389.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 43131442101 its reverse (10124413134), we get a palindrome (53255855235).

The spelling of 43131442101 in words is "forty-three billion, one hundred thirty-one million, four hundred forty-two thousand, one hundred one".