442234005351531 has 16 divisors (see below), whose sum is σ = 600172258971648. Its totient is φ = 289605180060000.

The previous prime is 442234005351503. The next prime is 442234005351613. The reversal of 442234005351531 is 135153500432244.

It is not a de Polignac number, because 442234005351531 - 2¹⁰ = 442234005350507 is a prime.

It is a super-2 number, since 2×442234005351531² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442234005350531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5746096045 + ... + 5746173006.

It is an arithmetic number, because the mean of its divisors is an integer number (37510766185728).

Almost surely, 2^{442234005351531} is an apocalyptic number.

442234005351531 is a deficient number, since it is larger than the sum of its proper divisors (157938253620117).

442234005351531 is a wasteful number, since it uses less digits than its factorization.

442234005351531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11492269282.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 442234005351531 its reverse (135153500432244), we get a palindrome (577387505783775).

The spelling of 442234005351531 in words is "four hundred forty-two trillion, two hundred thirty-four billion, five million, three hundred fifty-one thousand, five hundred thirty-one".