31400518595173 has 16 divisors (see below), whose sum is σ = 39893462834176. Its totient is φ = 24042935185920.

The previous prime is 31400518595153. The next prime is 31400518595177. The reversal of 31400518595173 is 37159581500413.

It is a de Polignac number, because none of the positive numbers 2^k-31400518595173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31400518595173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400518595177) 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 15 ways as a sum of consecutive naturals, for example, 5565491436 + ... + 5565497077.

It is an arithmetic number, because the mean of its divisors is an integer number (2493341427136).

Almost surely, 2^{31400518595173} is an apocalyptic number.

It is an amenable number.

31400518595173 is a deficient number, since it is larger than the sum of its proper divisors (8492944239003).

31400518595173 is a wasteful number, since it uses less digits than its factorization.

31400518595173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11130988564.

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 31400518595173 in words is "thirty-one trillion, four hundred billion, five hundred eighteen million, five hundred ninety-five thousand, one hundred seventy-three".