80431039 has 4 divisors (see below), whose sum is σ = 86618056. Its totient is φ = 74244024.

The previous prime is 80430997. The next prime is 80431061. The reversal of 80431039 is 93013408.

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 80431039 - 2⁹ = 80430527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80430998 and 80431016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80431079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3093489 + ... + 3093514.

It is an arithmetic number, because the mean of its divisors is an integer number (21654514).

Almost surely, 2^80431039 is an apocalyptic number.

80431039 is a deficient number, since it is larger than the sum of its proper divisors (6187017).

80431039 is a wasteful number, since it uses less digits than its factorization.

80431039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187016.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 80431039 is about 8968.3353527843. The cubic root of 80431039 is about 431.6594234278.

The spelling of 80431039 in words is "eighty million, four hundred thirty-one thousand, thirty-nine".