442310311 has 8 divisors (see below), whose sum is σ = 445829760. Its totient is φ = 438802272.

The previous prime is 442310303. The next prime is 442310317. The reversal of 442310311 is 113013244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442310311 - 2³ = 442310303 is a prime.

It is a super-2 number, since 2×442310311² = 391276822433833442, which contains 22 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 (442310317) 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 7 ways as a sum of consecutive naturals, for example, 85546 + ... + 90568.

It is an arithmetic number, because the mean of its divisors is an integer number (55728720).

Almost surely, 2^442310311 is an apocalyptic number.

442310311 is a deficient number, since it is larger than the sum of its proper divisors (3519449).

442310311 is a wasteful number, since it uses less digits than its factorization.

442310311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 442310311 is about 21031.1747413215. The cubic root of 442310311 is about 761.9193815505.

Adding to 442310311 its reverse (113013244), we get a palindrome (555323555).

The spelling of 442310311 in words is "four hundred forty-two million, three hundred ten thousand, three hundred eleven".