442023031220031 has 24 divisors (see below), whose sum is σ = 638857587245280. Its totient is φ = 294506713368576.

The previous prime is 442023031219963. The next prime is 442023031220039. The reversal of 442023031220031 is 130022130320244.

442023031220031 is a `hidden beast` number, since 4 + 4 + 202 + 303 + 122 + 0 + 0 + 31 = 666.

It is not a de Polignac number, because 442023031220031 - 2¹¹ = 442023031217983 is a prime.

It is a super-2 number, since 2×442023031220031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442023031219977 and 442023031220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442023031220039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271404471 + ... + 273028263.

It is an arithmetic number, because the mean of its divisors is an integer number (26619066135220).

Almost surely, 2^{442023031220031} is an apocalyptic number.

442023031220031 is a deficient number, since it is larger than the sum of its proper divisors (196834556025249).

442023031220031 is a wasteful number, since it uses less digits than its factorization.

442023031220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641775 (or 1641772 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 442023031220031 its reverse (130022130320244), we get a palindrome (572045161540275).

The spelling of 442023031220031 in words is "four hundred forty-two trillion, twenty-three billion, thirty-one million, two hundred twenty thousand, thirty-one".