442341311 has 4 divisors (see below), whose sum is σ = 442945512. Its totient is φ = 441737112.

The previous prime is 442341287. The next prime is 442341323. The reversal of 442341311 is 113143244.

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-442341311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442341391) 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, 301001 + ... + 302466.

It is an arithmetic number, because the mean of its divisors is an integer number (110736378).

Almost surely, 2^442341311 is an apocalyptic number.

442341311 is a deficient number, since it is larger than the sum of its proper divisors (604201).

442341311 is an equidigital number, since it uses as much as digits as its factorization.

442341311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604200.

The product of its digits is 1152, while the sum is 23.

The square root of 442341311 is about 21031.9117295599. The cubic root of 442341311 is about 761.9371812328.

Adding to 442341311 its reverse (113143244), we get a palindrome (555484555).

The spelling of 442341311 in words is "four hundred forty-two million, three hundred forty-one thousand, three hundred eleven".