42313111 has 4 divisors (see below), whose sum is σ = 42848800. Its totient is φ = 41777424.

The previous prime is 42313099. The next prime is 42313147. The reversal of 42313111 is 11131324.

42313111 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 42313111 - 2¹⁷ = 42182039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42313511) 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, 267726 + ... + 267883.

It is an arithmetic number, because the mean of its divisors is an integer number (10712200).

Almost surely, 2^42313111 is an apocalyptic number.

42313111 is a deficient number, since it is larger than the sum of its proper divisors (535689).

42313111 is an equidigital number, since it uses as much as digits as its factorization.

42313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535688.

The product of its digits is 72, while the sum is 16.

The square root of 42313111 is about 6504.8528807345. The cubic root of 42313111 is about 348.4643221766.

Adding to 42313111 its reverse (11131324), we get a palindrome (53444435).

It can be divided in two parts, 42313 and 111, that added together give a palindrome (42424).

The spelling of 42313111 in words is "forty-two million, three hundred thirteen thousand, one hundred eleven".