442343334450331 has 2 divisors, whose sum is σ = 442343334450332. Its totient is φ = 442343334450330.

The previous prime is 442343334450299. The next prime is 442343334450341. The reversal of 442343334450331 is 133054433343244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442343334450331 - 2⁵ = 442343334450299 is a prime.

It is a super-2 number, since 2×442343334450331² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442343334450341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221171667225165 + 221171667225166.

It is an arithmetic number, because the mean of its divisors is an integer number (221171667225166).

Almost surely, 2^{442343334450331} is an apocalyptic number.

442343334450331 is a deficient number, since it is larger than the sum of its proper divisors (1).

442343334450331 is an equidigital number, since it uses as much as digits as its factorization.

442343334450331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 46.

Adding to 442343334450331 its reverse (133054433343244), we get a palindrome (575397767793575).

The spelling of 442343334450331 in words is "four hundred forty-two trillion, three hundred forty-three billion, three hundred thirty-four million, four hundred fifty thousand, three hundred thirty-one".