443420021004131 has 8 divisors (see below), whose sum is σ = 452178196590960. Its totient is φ = 434747291033088.

The previous prime is 443420021004113. The next prime is 443420021004193. The reversal of 443420021004131 is 131400120024344.

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 443420021004131 - 2²² = 443420016809827 is a prime.

It is a super-2 number, since 2×443420021004131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 443420021004094 and 443420021004103.

It is not an unprimeable number, because it can be changed into a prime (443420021004431) 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, 21361393466 + ... + 21361414223.

It is an arithmetic number, because the mean of its divisors is an integer number (56522274573870).

Almost surely, 2^{443420021004131} is an apocalyptic number.

443420021004131 is a deficient number, since it is larger than the sum of its proper divisors (8758175586829).

443420021004131 is a wasteful number, since it uses less digits than its factorization.

443420021004131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42722807893.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 443420021004131 its reverse (131400120024344), we get a palindrome (574820141028475).

The spelling of 443420021004131 in words is "four hundred forty-three trillion, four hundred twenty billion, twenty-one million, four thousand, one hundred thirty-one".