810441131 has 2 divisors, whose sum is σ = 810441132. Its totient is φ = 810441130.

The previous prime is 810441103. The next prime is 810441139. The reversal of 810441131 is 131144018.

It is a happy number.

810441131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 810441131 - 2²² = 806246827 is a prime.

It is a super-2 number, since 2×810441131² = 1313629653633118322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 810441097 and 810441106.

It is not a weakly prime, because it can be changed into another prime (810441139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405220565 + 405220566.

It is an arithmetic number, because the mean of its divisors is an integer number (405220566).

Almost surely, 2^810441131 is an apocalyptic number.

810441131 is a deficient number, since it is larger than the sum of its proper divisors (1).

810441131 is an equidigital number, since it uses as much as digits as its factorization.

810441131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 810441131 is about 28468.2477683471. The cubic root of 810441131 is about 932.3389428760.

Adding to 810441131 its reverse (131144018), we get a palindrome (941585149).

The spelling of 810441131 in words is "eight hundred ten million, four hundred forty-one thousand, one hundred thirty-one".