31113072173105 has 64 divisors (see below), whose sum is σ = 43984372432896. Its totient is φ = 20908523520000.

The previous prime is 31113072173089. The next prime is 31113072173107. The reversal of 31113072173105 is 50137127031113.

It is not a de Polignac number, because 31113072173105 - 2⁴ = 31113072173089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113072173107) 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 63 ways as a sum of consecutive naturals, for example, 39032945 + ... + 39822065.

It is an arithmetic number, because the mean of its divisors is an integer number (687255819264).

Almost surely, 2^{31113072173105} is an apocalyptic number.

It is an amenable number.

31113072173105 is a deficient number, since it is larger than the sum of its proper divisors (12871300259791).

31113072173105 is a wasteful number, since it uses less digits than its factorization.

31113072173105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790338.

The product of its (nonzero) digits is 13230, while the sum is 35.

The spelling of 31113072173105 in words is "thirty-one trillion, one hundred thirteen billion, seventy-two million, one hundred seventy-three thousand, one hundred five".