3171251426473 has 16 divisors (see below), whose sum is σ = 3435214352976. Its totient is φ = 2910151330560.

The previous prime is 3171251426449. The next prime is 3171251426477. The reversal of 3171251426473 is 3746241521713.

It can be written as a sum of positive squares in 8 ways, for example, as 476461584 + 3170774964889 = 21828^2 + 1780667^2 .

It is a cyclic number.

It is not a de Polignac number, because 3171251426473 - 2³³ = 3162661491881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3171251426477) 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, 31428883 + ... + 31529623.

It is an arithmetic number, because the mean of its divisors is an integer number (214700897061).

Almost surely, 2^{3171251426473} is an apocalyptic number.

It is an amenable number.

3171251426473 is a deficient number, since it is larger than the sum of its proper divisors (263962926503).

3171251426473 is a wasteful number, since it uses less digits than its factorization.

3171251426473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114924.

The product of its digits is 846720, while the sum is 46.

The spelling of 3171251426473 in words is "three trillion, one hundred seventy-one billion, two hundred fifty-one million, four hundred twenty-six thousand, four hundred seventy-three".