42434312 has 32 divisors (see below), whose sum is σ = 84547800. Its totient is φ = 19897344.

The previous prime is 42434309. The next prime is 42434317. The reversal of 42434312 is 21343424.

42434312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34739236 + 7695076 = 5894^2 + 2774^2 .

It is not an unprimeable number, because it can be changed into a prime (42434317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68918 + ... + 69530.

Almost surely, 2^42434312 is an apocalyptic number.

It is an amenable number.

42434312 is a deficient number, since it is larger than the sum of its proper divisors (42113488).

42434312 is a wasteful number, since it uses less digits than its factorization.

42434312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1141 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 42434312 is about 6514.1624173795. The cubic root of 42434312 is about 348.7967168911.

Adding to 42434312 its reverse (21343424), we get a palindrome (63777736).

The spelling of 42434312 in words is "forty-two million, four hundred thirty-four thousand, three hundred twelve".