3117039581 has 8 divisors (see below), whose sum is σ = 3210522720. Its totient is φ = 3024042768.

The previous prime is 3117039559. The next prime is 3117039587. The reversal of 3117039581 is 1859307113.

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 3117039581 - 2⁶ = 3117039517 is a prime.

It is a super-2 number, since 2×3117039581² = 19431871499041311122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117039587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108551 + ... + 134228.

It is an arithmetic number, because the mean of its divisors is an integer number (401315340).

Almost surely, 2^3117039581 is an apocalyptic number.

It is an amenable number.

3117039581 is a deficient number, since it is larger than the sum of its proper divisors (93483139).

3117039581 is a wasteful number, since it uses less digits than its factorization.

3117039581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243163.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 3117039581 is about 55830.4538849542. The cubic root of 3117039581 is about 1460.7664051791.

The spelling of 3117039581 in words is "three billion, one hundred seventeen million, thirty-nine thousand, five hundred eighty-one".