442231014531 has 4 divisors (see below), whose sum is σ = 589641352712. Its totient is φ = 294820676352.

The previous prime is 442231014517. The next prime is 442231014553. The reversal of 442231014531 is 135410132244.

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

It is not a de Polignac number, because 442231014531 - 2¹³ = 442231006339 is a prime.

It is a super-2 number, since 2×442231014531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442231010531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73705169086 + ... + 73705169091.

It is an arithmetic number, because the mean of its divisors is an integer number (147410338178).

Almost surely, 2^442231014531 is an apocalyptic number.

442231014531 is a deficient number, since it is larger than the sum of its proper divisors (147410338181).

442231014531 is a wasteful number, since it uses less digits than its factorization.

442231014531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147410338180.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 442231014531 its reverse (135410132244), we get a palindrome (577641146775).

The spelling of 442231014531 in words is "four hundred forty-two billion, two hundred thirty-one million, fourteen thousand, five hundred thirty-one".