80803031 has 2 divisors, whose sum is σ = 80803032. Its totient is φ = 80803030.

The previous prime is 80803013. The next prime is 80803069. The reversal of 80803031 is 13030808.

Together with previous prime (80803013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80803031 is a prime.

It is a super-2 number, since 2×80803031² = 13058259637573922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80802988 and 80803006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80803001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40401515 + 40401516.

It is an arithmetic number, because the mean of its divisors is an integer number (40401516).

Almost surely, 2^80803031 is an apocalyptic number.

80803031 is a deficient number, since it is larger than the sum of its proper divisors (1).

80803031 is an equidigital number, since it uses as much as digits as its factorization.

80803031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 80803031 is about 8989.0506172788. The cubic root of 80803031 is about 432.3238722857.

Adding to 80803031 its reverse (13030808), we get a palindrome (93833839).

It can be divided in two parts, 8080 and 3031, that added together give a palindrome (11111).

The spelling of 80803031 in words is "eighty million, eight hundred three thousand, thirty-one".