80831603 has 2 divisors, whose sum is σ = 80831604. Its totient is φ = 80831602.

The previous prime is 80831503. The next prime is 80831627. The reversal of 80831603 is 30613808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80831603 - 2¹⁴ = 80815219 is a prime.

It is not a weakly prime, because it can be changed into another prime (80831633) 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 as a sum of consecutive naturals, namely, 40415801 + 40415802.

It is an arithmetic number, because the mean of its divisors is an integer number (40415802).

Almost surely, 2^80831603 is an apocalyptic number.

80831603 is a deficient number, since it is larger than the sum of its proper divisors (1).

80831603 is an equidigital number, since it uses as much as digits as its factorization.

80831603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 80831603 is about 8990.6397436445. The cubic root of 80831603 is about 432.3748229406.

The spelling of 80831603 in words is "eighty million, eight hundred thirty-one thousand, six hundred three".