130811 has 2 divisors, whose sum is σ = 130812. Its totient is φ = 130810.

The previous prime is 130807. The next prime is 130817. The reversal of 130811 is 118031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130811 - 2² = 130807 is a prime.

It is a super-2 number, since 2×130811² = 34223035442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65405 + 65406.

It is an arithmetic number, because the mean of its divisors is an integer number (65406).

2¹³⁰⁸¹¹ is an apocalyptic number.

130811 is a deficient number, since it is larger than the sum of its proper divisors (1).

130811 is an equidigital number, since it uses as much as digits as its factorization.

130811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 130811 is about 361.6780336155. The cubic root of 130811 is about 50.7630944880.

Adding to 130811 its reverse (118031), we get a palindrome (248842).

The spelling of 130811 in words is "one hundred thirty thousand, eight hundred eleven".