801311 has 4 divisors (see below), whose sum is σ = 915792. Its totient is φ = 686832.

The previous prime is 801301. The next prime is 801331. The reversal of 801311 is 113108.

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

It is a cyclic number.

It is not a de Polignac number, because 801311 - 2⁶ = 801247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57230 + ... + 57243.

It is an arithmetic number, because the mean of its divisors is an integer number (228948).

2⁸⁰¹³¹¹ is an apocalyptic number.

801311 is a deficient number, since it is larger than the sum of its proper divisors (114481).

801311 is a wasteful number, since it uses less digits than its factorization.

801311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114480.

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

The square root of 801311 is about 895.1597622771. The cubic root of 801311 is about 92.8824583555.

Adding to 801311 its reverse (113108), we get a palindrome (914419).

The spelling of 801311 in words is "eight hundred one thousand, three hundred eleven".