131130211 has 2 divisors, whose sum is σ = 131130212. Its totient is φ = 131130210.

The previous prime is 131130203. The next prime is 131130239. The reversal of 131130211 is 112031131.

It is a weak prime.

It is an emirp because it is prime and its reverse (112031131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131130211 - 2³ = 131130203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131130191 and 131130200.

It is not a weakly prime, because it can be changed into another prime (131136211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65565105 + 65565106.

It is an arithmetic number, because the mean of its divisors is an integer number (65565106).

Almost surely, 2^131130211 is an apocalyptic number.

131130211 is a deficient number, since it is larger than the sum of its proper divisors (1).

131130211 is an equidigital number, since it uses as much as digits as its factorization.

131130211 is an odious number, because the sum of its binary digits is odd.

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

The square root of 131130211 is about 11451.2100233993. The cubic root of 131130211 is about 508.0435242329.

Adding to 131130211 its reverse (112031131), we get a palindrome (243161342).

The spelling of 131130211 in words is "one hundred thirty-one million, one hundred thirty thousand, two hundred eleven".