442431331571 has 8 divisors (see below), whose sum is σ = 443323800864. Its totient is φ = 441539138880.

The previous prime is 442431331553. The next prime is 442431331607. The reversal of 442431331571 is 175133134244.

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 442431331571 - 2¹⁰ = 442431330547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442431331471) 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, 3297626 + ... + 3429168.

It is an arithmetic number, because the mean of its divisors is an integer number (55415475108).

Almost surely, 2^442431331571 is an apocalyptic number.

442431331571 is a deficient number, since it is larger than the sum of its proper divisors (892469293).

442431331571 is a wasteful number, since it uses less digits than its factorization.

442431331571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138301.

The product of its digits is 120960, while the sum is 38.

The spelling of 442431331571 in words is "four hundred forty-two billion, four hundred thirty-one million, three hundred thirty-one thousand, five hundred seventy-one".