5171031998 has 8 divisors (see below), whose sum is σ = 8461688760. Its totient is φ = 2350469080.

The previous prime is 5171031989. The next prime is 5171032003. The reversal of 5171031998 is 8991301715.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117523433 + ... + 117523476.

It is an arithmetic number, because the mean of its divisors is an integer number (1057711095).

Almost surely, 2^5171031998 is an apocalyptic number.

5171031998 is a deficient number, since it is larger than the sum of its proper divisors (3290656762).

5171031998 is a wasteful number, since it uses less digits than its factorization.

5171031998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235046922.

The product of its (nonzero) digits is 68040, while the sum is 44.

The square root of 5171031998 is about 71909.8880405192. Note that the first 3 decimals coincide. The cubic root of 5171031998 is about 1729.2551392641.

The spelling of 5171031998 in words is "five billion, one hundred seventy-one million, thirty-one thousand, nine hundred ninety-eight".