42231133 has 8 divisors (see below), whose sum is σ = 48733568. Its totient is φ = 35846064.

The previous prime is 42231131. The next prime is 42231169. The reversal of 42231133 is 33113224.

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 42231133 - 2¹ = 42231131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42231133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42231131) 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, 28566 + ... + 30007.

It is an arithmetic number, because the mean of its divisors is an integer number (6091696).

Almost surely, 2^42231133 is an apocalyptic number.

It is an amenable number.

42231133 is a deficient number, since it is larger than the sum of its proper divisors (6502435).

42231133 is a wasteful number, since it uses less digits than its factorization.

42231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58683.

The product of its digits is 432, while the sum is 19.

The square root of 42231133 is about 6498.5485302489. The cubic root of 42231133 is about 348.2391368402.

Adding to 42231133 its reverse (33113224), we get a palindrome (75344357).

It can be divided in two parts, 4223 and 1133, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 42231133 in words is "forty-two million, two hundred thirty-one thousand, one hundred thirty-three".