42320211 has 4 divisors (see below), whose sum is σ = 56426952. Its totient is φ = 28213472.

The previous prime is 42320203. The next prime is 42320237. The reversal of 42320211 is 11202324.

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 42320211 - 2³ = 42320203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42324211) 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, 7053366 + ... + 7053371.

It is an arithmetic number, because the mean of its divisors is an integer number (14106738).

Almost surely, 2^42320211 is an apocalyptic number.

42320211 is a deficient number, since it is larger than the sum of its proper divisors (14106741).

42320211 is a wasteful number, since it uses less digits than its factorization.

42320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14106740.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42320211 is about 6505.3986042363. The cubic root of 42320211 is about 348.4838114733.

Adding to 42320211 its reverse (11202324), we get a palindrome (53522535).

The spelling of 42320211 in words is "forty-two million, three hundred twenty thousand, two hundred eleven".