2206101331 has 4 divisors (see below), whose sum is σ = 2521258672. Its totient is φ = 1890943992.

The previous prime is 2206101323. The next prime is 2206101347. The reversal of 2206101331 is 1331016022.

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

It is not a de Polignac number, because 2206101331 - 2³ = 2206101323 is a prime.

It is a super-2 number, since 2×2206101331² = 9733766165279943122, 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 = 2206101299 and 2206101308.

It is not an unprimeable number, because it can be changed into a prime (2206101371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157578660 + ... + 157578673.

It is an arithmetic number, because the mean of its divisors is an integer number (630314668).

Almost surely, 2^2206101331 is an apocalyptic number.

2206101331 is a deficient number, since it is larger than the sum of its proper divisors (315157341).

2206101331 is an equidigital number, since it uses as much as digits as its factorization.

2206101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315157340.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2206101331 is about 46969.1529729886. The cubic root of 2206101331 is about 1301.7926611571.

Adding to 2206101331 its reverse (1331016022), we get a palindrome (3537117353).

The spelling of 2206101331 in words is "two billion, two hundred six million, one hundred one thousand, three hundred thirty-one".