3158249317 has 8 divisors (see below), whose sum is σ = 3187638360. Its totient is φ = 3128885760.

The previous prime is 3158249309. The next prime is 3158249401. The reversal of 3158249317 is 7139428513.

It can be written as a sum of positive squares in 4 ways, for example, as 820836 + 3157428481 = 906^2 + 56191^2 .

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 3158249317 - 2³ = 3158249309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158249917) 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 7 ways as a sum of consecutive naturals, for example, 318409 + ... + 328177.

It is an arithmetic number, because the mean of its divisors is an integer number (398454795).

Almost surely, 2^3158249317 is an apocalyptic number.

It is an amenable number.

3158249317 is a deficient number, since it is larger than the sum of its proper divisors (29389043).

3158249317 is a wasteful number, since it uses less digits than its factorization.

3158249317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743.

The product of its digits is 181440, while the sum is 43.

The square root of 3158249317 is about 56198.3035064227. The cubic root of 3158249317 is about 1467.1757390258.

The spelling of 3158249317 in words is "three billion, one hundred fifty-eight million, two hundred forty-nine thousand, three hundred seventeen".