42427311 has 8 divisors (see below), whose sum is σ = 56824320. Its totient is φ = 28157592.

The previous prime is 42427243. The next prime is 42427321. The reversal of 42427311 is 11372424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42427311 - 2⁷ = 42427183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42427321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31041 + ... + 32378.

It is an arithmetic number, because the mean of its divisors is an integer number (7103040).

Almost surely, 2^42427311 is an apocalyptic number.

42427311 is a deficient number, since it is larger than the sum of its proper divisors (14397009).

42427311 is a wasteful number, since it uses less digits than its factorization.

42427311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63645.

The product of its digits is 1344, while the sum is 24.

The square root of 42427311 is about 6513.6250275864. The cubic root of 42427311 is about 348.7775338290. Note that the first 3 decimals are identical.

Adding to 42427311 its reverse (11372424), we get a palindrome (53799735).

The spelling of 42427311 in words is "forty-two million, four hundred twenty-seven thousand, three hundred eleven".