130043343404021 has 8 divisors (see below), whose sum is σ = 130568659553304. Its totient is φ = 129518176952320.

The previous prime is 130043343403997. The next prime is 130043343404053. The reversal of 130043343404021 is 120404343340031.

It can be written as a sum of positive squares in 4 ways, for example, as 115457474872996 + 14585868531025 = 10745114^2 + 3819145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130043343404021 - 2²² = 130043339209717 is a prime.

It is a super-2 number, since 2×130043343404021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130043343404071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35683310 + ... + 39158463.

It is an arithmetic number, because the mean of its divisors is an integer number (16321082444163).

Almost surely, 2^{130043343404021} is an apocalyptic number.

It is an amenable number.

130043343404021 is a deficient number, since it is larger than the sum of its proper divisors (525316149283).

130043343404021 is an equidigital number, since it uses as much as digits as its factorization.

130043343404021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74848791.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 130043343404021 its reverse (120404343340031), we get a palindrome (250447686744052).

The spelling of 130043343404021 in words is "one hundred thirty trillion, forty-three billion, three hundred forty-three million, four hundred four thousand, twenty-one".