80808031 has 2 divisors, whose sum is σ = 80808032. Its totient is φ = 80808030.

The previous prime is 80808029. The next prime is 80808043. The reversal of 80808031 is 13080808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80808031 - 2¹ = 80808029 is a prime.

It is a super-2 number, since 2×80808031² = 13059875748193922, which contains 22 as substring.

Together with 80808029, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4713805 and since 80808031 and 4713805 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80808001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40404015 + 40404016.

It is an arithmetic number, because the mean of its divisors is an integer number (40404016).

Almost surely, 2^80808031 is an apocalyptic number.

80808031 is a deficient number, since it is larger than the sum of its proper divisors (1).

80808031 is an equidigital number, since it uses as much as digits as its factorization.

80808031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 80808031 is about 8989.3287291099. The cubic root of 80808031 is about 432.3327893389.

Adding to 80808031 its reverse (13080808), we get a palindrome (93888839).

The spelling of 80808031 in words is "eighty million, eight hundred eight thousand, thirty-one".