442340421312311 has 2 divisors, whose sum is σ = 442340421312312. Its totient is φ = 442340421312310.

The previous prime is 442340421312253. The next prime is 442340421312359. The reversal of 442340421312311 is 113213124043244.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442340421312311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442340421012311) 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 as a sum of consecutive naturals, namely, 221170210656155 + 221170210656156.

It is an arithmetic number, because the mean of its divisors is an integer number (221170210656156).

Almost surely, 2^{442340421312311} is an apocalyptic number.

442340421312311 is a deficient number, since it is larger than the sum of its proper divisors (1).

442340421312311 is an equidigital number, since it uses as much as digits as its factorization.

442340421312311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 442340421312311 its reverse (113213124043244), we get a palindrome (555553545355555).

The spelling of 442340421312311 in words is "four hundred forty-two trillion, three hundred forty billion, four hundred twenty-one million, three hundred twelve thousand, three hundred eleven".