42313211 has 4 divisors (see below), whose sum is σ = 42337632. Its totient is φ = 42288792.

The previous prime is 42313147. The next prime is 42313223. The reversal of 42313211 is 11231324.

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 42313211 - 2⁶ = 42313147 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 42313211.

It is not an unprimeable number, because it can be changed into a prime (42313511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9395 + ... + 13148.

It is an arithmetic number, because the mean of its divisors is an integer number (10584408).

Almost surely, 2^42313211 is an apocalyptic number.

42313211 is a deficient number, since it is larger than the sum of its proper divisors (24421).

42313211 is a wasteful number, since it uses less digits than its factorization.

42313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24420.

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

The square root of 42313211 is about 6504.8605672989. The cubic root of 42313211 is about 348.4645966889.

Adding to 42313211 its reverse (11231324), we get a palindrome (53544535).

It can be divided in two parts, 42313 and 211, that added together give a palindrome (42524).

The spelling of 42313211 in words is "forty-two million, three hundred thirteen thousand, two hundred eleven".