442320031404343 has 4 divisors (see below), whose sum is σ = 442391801657368. Its totient is φ = 442248261151320.

The previous prime is 442320031404337. The next prime is 442320031404371. The reversal of 442320031404343 is 343404130023244.

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-442320031404343 is a prime.

It is a super-4 number, since 4×442320031404343⁴ (a number of 60 digits) contains 4444 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 (442320031404143) 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, 35885117268 + ... + 35885129593.

It is an arithmetic number, because the mean of its divisors is an integer number (110597950414342).

Almost surely, 2^{442320031404343} is an apocalyptic number.

442320031404343 is a deficient number, since it is larger than the sum of its proper divisors (71770253025).

442320031404343 is an equidigital number, since it uses as much as digits as its factorization.

442320031404343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71770253024.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 442320031404343 its reverse (343404130023244), we get a palindrome (785724161427587).

The spelling of 442320031404343 in words is "four hundred forty-two trillion, three hundred twenty billion, thirty-one million, four hundred four thousand, three hundred forty-three".