3171147145 has 8 divisors (see below), whose sum is σ = 3877176456. Its totient is φ = 2489051136.

The previous prime is 3171147131. The next prime is 3171147151. The reversal of 3171147145 is 5417411713.

It can be written as a sum of positive squares in 4 ways, for example, as 802475584 + 2368671561 = 28328^2 + 48669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3171147145 - 2⁷ = 3171147017 is a prime.

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 3171147145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5983032 + ... + 5983561.

It is an arithmetic number, because the mean of its divisors is an integer number (484647057).

Almost surely, 2^3171147145 is an apocalyptic number.

It is an amenable number.

3171147145 is a deficient number, since it is larger than the sum of its proper divisors (706029311).

3171147145 is a wasteful number, since it uses less digits than its factorization.

3171147145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966651.

The product of its digits is 11760, while the sum is 34.

The square root of 3171147145 is about 56312.9394100503. The cubic root of 3171147145 is about 1469.1702700262.

Adding to 3171147145 its reverse (5417411713), we get a palindrome (8588558858).

The spelling of 3171147145 in words is "three billion, one hundred seventy-one million, one hundred forty-seven thousand, one hundred forty-five".