42314321 has 4 divisors (see below), whose sum is σ = 48359232. Its totient is φ = 36269412.

The previous prime is 42314303. The next prime is 42314329. The reversal of 42314321 is 12341324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42314321 - 2⁶ = 42314257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42314293 and 42314302.

It is not an unprimeable number, because it can be changed into a prime (42314329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3022445 + ... + 3022458.

It is an arithmetic number, because the mean of its divisors is an integer number (12089808).

Almost surely, 2^42314321 is an apocalyptic number.

It is an amenable number.

42314321 is a deficient number, since it is larger than the sum of its proper divisors (6044911).

42314321 is an equidigital number, since it uses as much as digits as its factorization.

42314321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044910.

The product of its digits is 576, while the sum is 20.

The square root of 42314321 is about 6504.9458875536. The cubic root of 42314321 is about 348.4676437461.

Adding to 42314321 its reverse (12341324), we get a palindrome (54655645).

The spelling of 42314321 in words is "forty-two million, three hundred fourteen thousand, three hundred twenty-one".