808131 has 4 divisors (see below), whose sum is σ = 1077512. Its totient is φ = 538752.

The previous prime is 808111. The next prime is 808147. The reversal of 808131 is 131808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 808131 - 2¹⁵ = 775363 is a prime.

It is a super-2 number, since 2×808131² = 1306151426322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 808098 and 808107.

It is not an unprimeable number, because it can be changed into a prime (808111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134686 + ... + 134691.

It is an arithmetic number, because the mean of its divisors is an integer number (269378).

2⁸⁰⁸¹³¹ is an apocalyptic number.

808131 is a deficient number, since it is larger than the sum of its proper divisors (269381).

808131 is a wasteful number, since it uses less digits than its factorization.

808131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269380.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 808131 is about 898.9610670101. The cubic root of 808131 is about 93.1452234505.

Adding to 808131 its reverse (131808), we get a palindrome (939939).

It can be divided in two parts, 808 and 131, that added together give a palindrome (939).

The spelling of 808131 in words is "eight hundred eight thousand, one hundred thirty-one".