442250230831 has 4 divisors (see below), whose sum is σ = 444472594000. Its totient is φ = 440027867664.

The previous prime is 442250230777. The next prime is 442250230847. The reversal of 442250230831 is 138032052244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442250230831 - 2⁷ = 442250230703 is a prime.

It is a super-2 number, since 2×442250230831² (a number of 24 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 (442250200831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111181286 + ... + 1111181683.

It is an arithmetic number, because the mean of its divisors is an integer number (111118148500).

Almost surely, 2^442250230831 is an apocalyptic number.

442250230831 is a deficient number, since it is larger than the sum of its proper divisors (2222363169).

442250230831 is a wasteful number, since it uses less digits than its factorization.

442250230831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222363168.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 442250230831 in words is "four hundred forty-two billion, two hundred fifty million, two hundred thirty thousand, eight hundred thirty-one".