42320312 has 8 divisors (see below), whose sum is σ = 79350600. Its totient is φ = 21160152.

The previous prime is 42320297. The next prime is 42320329. The reversal of 42320312 is 21302324.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2645012 + ... + 2645027.

It is an arithmetic number, because the mean of its divisors is an integer number (9918825).

Almost surely, 2^42320312 is an apocalyptic number.

It is an amenable number.

42320312 is a deficient number, since it is larger than the sum of its proper divisors (37030288).

42320312 is a wasteful number, since it uses less digits than its factorization.

42320312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290045 (or 5290041 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42320312 is about 6505.4063670151. The cubic root of 42320312 is about 348.4840886996.

Adding to 42320312 its reverse (21302324), we get a palindrome (63622636).

The spelling of 42320312 in words is "forty-two million, three hundred twenty thousand, three hundred twelve".