80311039 has 2 divisors, whose sum is σ = 80311040. Its totient is φ = 80311038.

The previous prime is 80311001. The next prime is 80311061. The reversal of 80311039 is 93011308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80311039 - 2²¹ = 78213887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80311069) 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 as a sum of consecutive naturals, namely, 40155519 + 40155520.

It is an arithmetic number, because the mean of its divisors is an integer number (40155520).

Almost surely, 2^80311039 is an apocalyptic number.

80311039 is a deficient number, since it is larger than the sum of its proper divisors (1).

80311039 is an equidigital number, since it uses as much as digits as its factorization.

80311039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 80311039 is about 8961.6426507644. The cubic root of 80311039 is about 431.4446435219. Note that the first 3 decimals are identical.

The spelling of 80311039 in words is "eighty million, three hundred eleven thousand, thirty-nine".