80843431 has 8 divisors (see below), whose sum is σ = 84579264. Its totient is φ = 77191680.

The previous prime is 80843363. The next prime is 80843453. The reversal of 80843431 is 13434808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80843431 - 2¹⁹ = 80319143 is a prime.

It is a super-2 number, since 2×80843431² = 13071320671703522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80843393 and 80843402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80843471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19050 + ... + 22903.

It is an arithmetic number, because the mean of its divisors is an integer number (10572408).

Almost surely, 2^80843431 is an apocalyptic number.

80843431 is a deficient number, since it is larger than the sum of its proper divisors (3735833).

80843431 is a wasteful number, since it uses less digits than its factorization.

80843431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42041.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 80843431 is about 8991.2975148195. The cubic root of 80843431 is about 432.3959115569.

The spelling of 80843431 in words is "eighty million, eight hundred forty-three thousand, four hundred thirty-one".