442432142000031 has 4 divisors (see below), whose sum is σ = 589909522666712. Its totient is φ = 294954761333352.

The previous prime is 442432141999973. The next prime is 442432142000077. The reversal of 442432142000031 is 130000241234244.

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

It is not a de Polignac number, because 442432142000031 - 2⁴¹ = 440233118744479 is a prime.

It is a super-2 number, since 2×442432142000031² (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 (442432142002031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73738690333336 + ... + 73738690333341.

It is an arithmetic number, because the mean of its divisors is an integer number (147477380666678).

Almost surely, 2^{442432142000031} is an apocalyptic number.

442432142000031 is a deficient number, since it is larger than the sum of its proper divisors (147477380666681).

442432142000031 is a wasteful number, since it uses less digits than its factorization.

442432142000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147477380666680.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 442432142000031 its reverse (130000241234244), we get a palindrome (572432383234275).

The spelling of 442432142000031 in words is "four hundred forty-two trillion, four hundred thirty-two billion, one hundred forty-two million, thirty-one", and thus it is an aban number.