42442024204031 has 4 divisors (see below), whose sum is σ = 42442494238032. Its totient is φ = 42441554170032.

The previous prime is 42442024203959. The next prime is 42442024204043. The reversal of 42442024204031 is 13040242024424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42442024204031 is a prime.

It is a super-2 number, since 2×42442024204031² (a number of 28 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 (42442024204081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234881531 + ... + 235062156.

It is an arithmetic number, because the mean of its divisors is an integer number (10610623559508).

Almost surely, 2^{42442024204031} is an apocalyptic number.

42442024204031 is a deficient number, since it is larger than the sum of its proper divisors (470034001).

42442024204031 is an equidigital number, since it uses as much as digits as its factorization.

42442024204031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470034000.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 42442024204031 its reverse (13040242024424), we get a palindrome (55482266228455).

The spelling of 42442024204031 in words is "forty-two trillion, four hundred forty-two billion, twenty-four million, two hundred four thousand, thirty-one".