800131 has 2 divisors, whose sum is σ = 800132. Its totient is φ = 800130.

The previous prime is 800123. The next prime is 800143. The reversal of 800131 is 131008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800131 - 2³ = 800123 is a prime.

It is a super-2 number, since 2×800131² = 1280419234322, which contains 22 as substring.

It is a Chen prime.

It is the 895-th Hogben number.

800131 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (800161) by changing a digit.

It is a nontrivial repunit in base 894.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400065 + 400066.

It is an arithmetic number, because the mean of its divisors is an integer number (400066).

2⁸⁰⁰¹³¹ is an apocalyptic number.

800131 is a deficient number, since it is larger than the sum of its proper divisors (1).

800131 is an equidigital number, since it uses as much as digits as its factorization.

800131 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 13.

The square root of 800131 is about 894.5004192285. The cubic root of 800131 is about 92.8368434635.

Adding to 800131 its reverse (131008), we get a palindrome (931139).

The spelling of 800131 in words is "eight hundred thousand, one hundred thirty-one".