2163104431 has 4 divisors (see below), whose sum is σ = 2163340872. Its totient is φ = 2162867992.

The previous prime is 2163104401. The next prime is 2163104467. The reversal of 2163104431 is 1344013612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2163104431 - 2⁵ = 2163104399 is a prime.

It is a super-2 number, since 2×2163104431² = 9358041558823667522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2163104396 and 2163104405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163104401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103921 + ... + 122986.

It is an arithmetic number, because the mean of its divisors is an integer number (540835218).

Almost surely, 2^2163104431 is an apocalyptic number.

2163104431 is a deficient number, since it is larger than the sum of its proper divisors (236441).

2163104431 is an equidigital number, since it uses as much as digits as its factorization.

2163104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236440.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2163104431 is about 46509.1865226645. The cubic root of 2163104431 is about 1293.2798040353.

The spelling of 2163104431 in words is "two billion, one hundred sixty-three million, one hundred four thousand, four hundred thirty-one".