42711331 has 8 divisors (see below), whose sum is σ = 46472384. Its totient is φ = 39018240.

The previous prime is 42711329. The next prime is 42711337. The reversal of 42711331 is 13311724.

42711331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42711331 - 2¹ = 42711329 is a prime.

It is a super-2 number, since 2×42711331² = 3648515591583122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42711337) 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 7 ways as a sum of consecutive naturals, for example, 15675 + ... + 18196.

It is an arithmetic number, because the mean of its divisors is an integer number (5809048).

Almost surely, 2^42711331 is an apocalyptic number.

42711331 is a deficient number, since it is larger than the sum of its proper divisors (3761053).

42711331 is a wasteful number, since it uses less digits than its factorization.

42711331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33981.

The product of its digits is 504, while the sum is 22.

The square root of 42711331 is about 6535.3906539701. The cubic root of 42711331 is about 349.5540742760.

The spelling of 42711331 in words is "forty-two million, seven hundred eleven thousand, three hundred thirty-one".