31994646017163 has 8 divisors (see below), whose sum is σ = 42825518405328. Its totient is φ = 21246768820224.

The previous prime is 31994646017129. The next prime is 31994646017267. The reversal of 31994646017163 is 36171064649913.

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

It is not a de Polignac number, because 31994646017163 - 2⁶ = 31994646017099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31994646017097 and 31994646017106.

It is not an unprimeable number, because it can be changed into a prime (31994646017963) 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, 20748796906 + ... + 20748798447.

It is an arithmetic number, because the mean of its divisors is an integer number (5353189800666).

Almost surely, 2^{31994646017163} is an apocalyptic number.

31994646017163 is a deficient number, since it is larger than the sum of its proper divisors (10830872388165).

31994646017163 is a wasteful number, since it uses less digits than its factorization.

31994646017163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41497595613.

The product of its (nonzero) digits is 17635968, while the sum is 60.

The spelling of 31994646017163 in words is "thirty-one trillion, nine hundred ninety-four billion, six hundred forty-six million, seventeen thousand, one hundred sixty-three".