80831119 has 2 divisors, whose sum is σ = 80831120. Its totient is φ = 80831118.

The previous prime is 80831089. The next prime is 80831123. The reversal of 80831119 is 91113808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80831119 - 2⁵ = 80831087 is a prime.

It is a super-2 number, since 2×80831119² = 13067339597584322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80831129) 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, 40415559 + 40415560.

It is an arithmetic number, because the mean of its divisors is an integer number (40415560).

Almost surely, 2^80831119 is an apocalyptic number.

80831119 is a deficient number, since it is larger than the sum of its proper divisors (1).

80831119 is an equidigital number, since it uses as much as digits as its factorization.

80831119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 80831119 is about 8990.6128267210. The cubic root of 80831119 is about 432.3739599538.

It can be divided in two parts, 808 and 31119, that multiplied together give a palindrome (25144152).

The spelling of 80831119 in words is "eighty million, eight hundred thirty-one thousand, one hundred nineteen".