442312441431 has 12 divisors (see below), whose sum is σ = 686035623672. Its totient is φ = 252749966448.

The previous prime is 442312441367. The next prime is 442312441499. The reversal of 442312441431 is 134144213244.

It is a happy number.

It is not a de Polignac number, because 442312441431 - 2⁶ = 442312441367 is a prime.

It is a super-2 number, since 2×442312441431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442312441392 and 442312441401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442312441531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1504463940 + ... + 1504464233.

It is an arithmetic number, because the mean of its divisors is an integer number (57169635306).

Almost surely, 2^442312441431 is an apocalyptic number.

442312441431 is a deficient number, since it is larger than the sum of its proper divisors (243723182241).

442312441431 is a wasteful number, since it uses less digits than its factorization.

442312441431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008928190 (or 3008928183 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

Adding to 442312441431 its reverse (134144213244), we get a palindrome (576456654675).

The spelling of 442312441431 in words is "four hundred forty-two billion, three hundred twelve million, four hundred forty-one thousand, four hundred thirty-one".