13831021163 has 8 divisors (see below), whose sum is σ = 14281344000. Its totient is φ = 13380958440.

The previous prime is 13831021157. The next prime is 13831021187. The reversal of 13831021163 is 36112013831.

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 13831021163 - 2¹⁰ = 13831020139 is a prime.

It is a super-2 number, since 2×13831021163² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13831021363) 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, 46088 + ... + 172586.

It is an arithmetic number, because the mean of its divisors is an integer number (1785168000).

Almost surely, 2^13831021163 is an apocalyptic number.

13831021163 is a deficient number, since it is larger than the sum of its proper divisors (450322837).

13831021163 is a wasteful number, since it uses less digits than its factorization.

13831021163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130057.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 13831021163 its reverse (36112013831), we get a palindrome (49943034994).

The spelling of 13831021163 in words is "thirteen billion, eight hundred thirty-one million, twenty-one thousand, one hundred sixty-three".