3031731442873 has 4 divisors (see below), whose sum is σ = 3464835934720. Its totient is φ = 2598626951028.

The previous prime is 3031731442871. The next prime is 3031731442879. The reversal of 3031731442873 is 3782441371303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3031731442873 - 2¹ = 3031731442871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3031731442871) 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 3 ways as a sum of consecutive naturals, for example, 216552245913 + ... + 216552245926.

It is an arithmetic number, because the mean of its divisors is an integer number (866208983680).

Almost surely, 2^{3031731442873} is an apocalyptic number.

It is an amenable number.

3031731442873 is a deficient number, since it is larger than the sum of its proper divisors (433104491847).

3031731442873 is an equidigital number, since it uses as much as digits as its factorization.

3031731442873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433104491846.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 3031731442873 in words is "three trillion, thirty-one billion, seven hundred thirty-one million, four hundred forty-two thousand, eight hundred seventy-three".