42731555033 has 8 divisors (see below), whose sum is σ = 43007865600. Its totient is φ = 42456025008.

The previous prime is 42731554997. The next prime is 42731555039. The reversal of 42731555033 is 33055513724.

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 42731555033 - 2³⁰ = 41657813209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42731555039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85091 + ... + 304472.

It is an arithmetic number, because the mean of its divisors is an integer number (5375983200).

Almost surely, 2^42731555033 is an apocalyptic number.

It is an amenable number.

42731555033 is a deficient number, since it is larger than the sum of its proper divisors (276310567).

42731555033 is a wasteful number, since it uses less digits than its factorization.

42731555033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390271.

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 42731555033 in words is "forty-two billion, seven hundred thirty-one million, five hundred fifty-five thousand, thirty-three".