442113440533231 has 8 divisors (see below), whose sum is σ = 470472475888800. Its totient is φ = 414015778775808.

The previous prime is 442113440533213. The next prime is 442113440533267. The reversal of 442113440533231 is 132335044311244.

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 442113440533231 - 2¹⁹ = 442113440008943 is a prime.

It is a super-2 number, since 2×442113440533231² (a number of 30 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 (442113440533291) 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, 65343396046 + ... + 65343402811.

It is an arithmetic number, because the mean of its divisors is an integer number (58809059486100).

Almost surely, 2^{442113440533231} is an apocalyptic number.

442113440533231 is a deficient number, since it is larger than the sum of its proper divisors (28359035355569).

442113440533231 is a wasteful number, since it uses less digits than its factorization.

442113440533231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130686799073.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 442113440533231 its reverse (132335044311244), we get a palindrome (574448484844475).

The spelling of 442113440533231 in words is "four hundred forty-two trillion, one hundred thirteen billion, four hundred forty million, five hundred thirty-three thousand, two hundred thirty-one".