12173225671031 has 16 divisors (see below), whose sum is σ = 13175470994400. Its totient is φ = 11211127843968.

The previous prime is 12173225671007. The next prime is 12173225671091. The reversal of 12173225671031 is 13017652237121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12173225671031 - 2²² = 12173221476727 is a prime.

It is a super-2 number, since 2×12173225671031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12173225671031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173225671091) 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 15 ways as a sum of consecutive naturals, for example, 55342556 + ... + 55562081.

It is an arithmetic number, because the mean of its divisors is an integer number (823466937150).

Almost surely, 2^{12173225671031} is an apocalyptic number.

12173225671031 is a deficient number, since it is larger than the sum of its proper divisors (1002245323369).

12173225671031 is a wasteful number, since it uses less digits than its factorization.

12173225671031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110904818.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 12173225671031 in words is "twelve trillion, one hundred seventy-three billion, two hundred twenty-five million, six hundred seventy-one thousand, thirty-one".