442352311 has 4 divisors (see below), whose sum is σ = 442418472. Its totient is φ = 442286152.

The previous prime is 442352269. The next prime is 442352347. The reversal of 442352311 is 113253244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442352311 - 2⁹ = 442351799 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 (442352381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21760 + ... + 36853.

It is an arithmetic number, because the mean of its divisors is an integer number (110604618).

Almost surely, 2^442352311 is an apocalyptic number.

442352311 is a deficient number, since it is larger than the sum of its proper divisors (66161).

442352311 is an equidigital number, since it uses as much as digits as its factorization.

442352311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66160.

The product of its digits is 2880, while the sum is 25.

The square root of 442352311 is about 21032.1732353079. The cubic root of 442352311 is about 761.9434970492.

The spelling of 442352311 in words is "four hundred forty-two million, three hundred fifty-two thousand, three hundred eleven".