80039431 has 2 divisors, whose sum is σ = 80039432. Its totient is φ = 80039430.

The previous prime is 80039429. The next prime is 80039447. The reversal of 80039431 is 13493008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80039431 - 2¹ = 80039429 is a prime.

It is a super-2 number, since 2×80039431² = 12812621029607522, which contains 22 as substring.

Together with 80039429, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 80039431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80039411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40019715 + 40019716.

It is an arithmetic number, because the mean of its divisors is an integer number (40019716).

Almost surely, 2^80039431 is an apocalyptic number.

80039431 is a deficient number, since it is larger than the sum of its proper divisors (1).

80039431 is an equidigital number, since it uses as much as digits as its factorization.

80039431 is an evil number, because the sum of its binary digits is even.

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

The square root of 80039431 is about 8946.4758983636. The cubic root of 80039431 is about 430.9577193071.

The spelling of 80039431 in words is "eighty million, thirty-nine thousand, four hundred thirty-one".