131032211 has 2 divisors, whose sum is σ = 131032212. Its totient is φ = 131032210.

The previous prime is 131032199. The next prime is 131032259. The reversal of 131032211 is 112230131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131032211 - 2¹⁸ = 130770067 is a prime.

It is not a weakly prime, because it can be changed into another prime (131032511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516105 + 65516106.

It is an arithmetic number, because the mean of its divisors is an integer number (65516106).

Almost surely, 2^131032211 is an apocalyptic number.

131032211 is a deficient number, since it is larger than the sum of its proper divisors (1).

131032211 is an equidigital number, since it uses as much as digits as its factorization.

131032211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131032211 is about 11446.9301998396. The cubic root of 131032211 is about 507.9169307926.

Adding to 131032211 its reverse (112230131), we get a palindrome (243262342).

The spelling of 131032211 in words is "one hundred thirty-one million, thirty-two thousand, two hundred eleven".