805083203231 has 4 divisors (see below), whose sum is σ = 805095027672. Its totient is φ = 805071378792.

The previous prime is 805083203227. The next prime is 805083203251. The reversal of 805083203231 is 132302380508.

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 805083203231 - 2² = 805083203227 is a prime.

It is a super-2 number, since 2×805083203231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 805083203191 and 805083203200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805083203251) 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, 5809496 + ... + 5946461.

It is an arithmetic number, because the mean of its divisors is an integer number (201273756918).

Almost surely, 2^805083203231 is an apocalyptic number.

805083203231 is a deficient number, since it is larger than the sum of its proper divisors (11824441).

805083203231 is a wasteful number, since it uses less digits than its factorization.

805083203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824440.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 805083203231 its reverse (132302380508), we get a palindrome (937385583739).

The spelling of 805083203231 in words is "eight hundred five billion, eighty-three million, two hundred three thousand, two hundred thirty-one".