43220113013 has 16 divisors (see below), whose sum is σ = 57054513024. Its totient is φ = 31696949760.

The previous prime is 43220113009. The next prime is 43220113019. The reversal of 43220113013 is 31031102234.

It is not a de Polignac number, because 43220113013 - 2² = 43220113009 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 (43220113019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16507520 + ... + 16510137.

It is an arithmetic number, because the mean of its divisors is an integer number (3565907064).

Almost surely, 2^43220113013 is an apocalyptic number.

It is an amenable number.

43220113013 is a deficient number, since it is larger than the sum of its proper divisors (13834400011).

43220113013 is a wasteful number, since it uses less digits than its factorization.

43220113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33017692.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 43220113013 its reverse (31031102234), we get a palindrome (74251215247).

The spelling of 43220113013 in words is "forty-three billion, two hundred twenty million, one hundred thirteen thousand, thirteen".