17117007831 has 128 divisors (see below), whose sum is σ = 33533337600. Its totient is φ = 8359822080.

The previous prime is 17117007829. The next prime is 17117007839. The reversal of 17117007831 is 13870071171.

It is not a de Polignac number, because 17117007831 - 2¹ = 17117007829 is a prime.

It is a super-2 number, since 2×17117007831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17117007839) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5410056 + ... + 5413218.

It is an arithmetic number, because the mean of its divisors is an integer number (261979200).

Almost surely, 2^17117007831 is an apocalyptic number.

17117007831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

17117007831 is a deficient number, since it is larger than the sum of its proper divisors (16416329769).

17117007831 is a wasteful number, since it uses less digits than its factorization.

17117007831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346 (or 3340 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 36.

The spelling of 17117007831 in words is "seventeen billion, one hundred seventeen million, seven thousand, eight hundred thirty-one".