131310211 has 2 divisors, whose sum is σ = 131310212. Its totient is φ = 131310210.

The previous prime is 131310209. The next prime is 131310217. The reversal of 131310211 is 112013131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131310211 - 2¹ = 131310209 is a prime.

Together with 131310209, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 131310191 and 131310200.

It is not a weakly prime, because it can be changed into another prime (131310217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655105 + 65655106.

It is an arithmetic number, because the mean of its divisors is an integer number (65655106).

Almost surely, 2^131310211 is an apocalyptic number.

131310211 is a deficient number, since it is larger than the sum of its proper divisors (1).

131310211 is an equidigital number, since it uses as much as digits as its factorization.

131310211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 131310211 is about 11459.0667595577. The cubic root of 131310211 is about 508.2758785791.

Adding to 131310211 its reverse (112013131), we get a palindrome (243323342).

The spelling of 131310211 in words is "one hundred thirty-one million, three hundred ten thousand, two hundred eleven".