42133311 has 16 divisors (see below), whose sum is σ = 68094720. Its totient is φ = 25535160.

The previous prime is 42133297. The next prime is 42133313. The reversal of 42133311 is 11333124.

It is not a de Polignac number, because 42133311 - 2⁹ = 42132799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42133313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70635 + ... + 71228.

It is an arithmetic number, because the mean of its divisors is an integer number (4255920).

Almost surely, 2^42133311 is an apocalyptic number.

42133311 is a deficient number, since it is larger than the sum of its proper divisors (25961409).

42133311 is a wasteful number, since it uses less digits than its factorization.

42133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141883 (or 141877 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 42133311 is about 6491.0177168145. The cubic root of 42133311 is about 347.9700479572.

Adding to 42133311 its reverse (11333124), we get a palindrome (53466435).

The spelling of 42133311 in words is "forty-two million, one hundred thirty-three thousand, three hundred eleven".