17031231172 has 48 divisors (see below), whose sum is σ = 31959144000. Its totient is φ = 7918124544.

The previous prime is 17031231109. The next prime is 17031231221. The reversal of 17031231172 is 27113213071.

It is a super-3 number, since 3×17031231172³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17031231172.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917479 + ... + 935857.

It is an arithmetic number, because the mean of its divisors is an integer number (665815500).

Almost surely, 2^17031231172 is an apocalyptic number.

It is an amenable number.

17031231172 is a deficient number, since it is larger than the sum of its proper divisors (14927912828).

17031231172 is a wasteful number, since it uses less digits than its factorization.

17031231172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18628 (or 18626 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The spelling of 17031231172 in words is "seventeen billion, thirty-one million, two hundred thirty-one thousand, one hundred seventy-two".