42755771031 has 8 divisors (see below), whose sum is σ = 57009932160. Its totient is φ = 28502728632.

The previous prime is 42755771021. The next prime is 42755771053. The reversal of 42755771031 is 13017755724.

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

It is not a de Polignac number, because 42755771031 - 2¹⁷ = 42755639959 is a prime.

It is a super-2 number, since 2×42755771031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42755771011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186025 + ... + 346578.

It is an arithmetic number, because the mean of its divisors is an integer number (7126241520).

Almost surely, 2^42755771031 is an apocalyptic number.

42755771031 is a deficient number, since it is larger than the sum of its proper divisors (14254161129).

42755771031 is a wasteful number, since it uses less digits than its factorization.

42755771031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559365.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 42755771031 in words is "forty-two billion, seven hundred fifty-five million, seven hundred seventy-one thousand, thirty-one".