42011303 has 4 divisors (see below), whose sum is σ = 42404040. Its totient is φ = 41618568.

The previous prime is 42011297. The next prime is 42011311. The reversal of 42011303 is 30311024.

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 42011303 - 2⁴ = 42011287 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 (42011323) 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, 196208 + ... + 196421.

It is an arithmetic number, because the mean of its divisors is an integer number (10601010).

Almost surely, 2^42011303 is an apocalyptic number.

42011303 is a deficient number, since it is larger than the sum of its proper divisors (392737).

42011303 is a wasteful number, since it uses less digits than its factorization.

42011303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392736.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 42011303 is about 6481.6126851271. The cubic root of 42011303 is about 347.6338438578.

Adding to 42011303 its reverse (30311024), we get a palindrome (72322327).

The spelling of 42011303 in words is "forty-two million, eleven thousand, three hundred three".