43013138101 has 4 divisors (see below), whose sum is σ = 43742174400. Its totient is φ = 42284101804.

The previous prime is 43013138093. The next prime is 43013138117. The reversal of 43013138101 is 10183131034.

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 not a de Polignac number, because 43013138101 - 2³ = 43013138093 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 (43013133101) 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, 364518061 + ... + 364518178.

It is an arithmetic number, because the mean of its divisors is an integer number (10935543600).

Almost surely, 2^43013138101 is an apocalyptic number.

It is an amenable number.

43013138101 is a deficient number, since it is larger than the sum of its proper divisors (729036299).

43013138101 is an equidigital number, since it uses as much as digits as its factorization.

43013138101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729036298.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 43013138101 its reverse (10183131034), we get a palindrome (53196269135).

The spelling of 43013138101 in words is "forty-three billion, thirteen million, one hundred thirty-eight thousand, one hundred one".