42331211 has 4 divisors (see below), whose sum is σ = 45587472. Its totient is φ = 39074952.

The previous prime is 42331171. The next prime is 42331217. The reversal of 42331211 is 11213324.

42331211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42331211 - 2¹⁴ = 42314827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42331211.

It is not an unprimeable number, because it can be changed into a prime (42331217) 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 3 ways as a sum of consecutive naturals, for example, 1628111 + ... + 1628136.

It is an arithmetic number, because the mean of its divisors is an integer number (11396868).

Almost surely, 2^42331211 is an apocalyptic number.

42331211 is a deficient number, since it is larger than the sum of its proper divisors (3256261).

42331211 is a wasteful number, since it uses less digits than its factorization.

42331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256260.

The product of its digits is 144, while the sum is 17.

The square root of 42331211 is about 6506.2440009578. The cubic root of 42331211 is about 348.5140018540.

Adding to 42331211 its reverse (11213324), we get a palindrome (53544535).

The spelling of 42331211 in words is "forty-two million, three hundred thirty-one thousand, two hundred eleven".