80315191 has 16 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 68446080.

The previous prime is 80315167. The next prime is 80315219. The reversal of 80315191 is 19151308.

It is not a de Polignac number, because 80315191 - 2⁵ = 80315159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80315161) 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 in 15 ways as a sum of consecutive naturals, for example, 56710 + ... + 58108.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^80315191 is an apocalyptic number.

80315191 is a deficient number, since it is larger than the sum of its proper divisors (12824009).

80315191 is a wasteful number, since it uses less digits than its factorization.

80315191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 80315191 is about 8961.8743017295. The cubic root of 80315191 is about 431.4520784786.

Adding to 80315191 its reverse (19151308), we get a palindrome (99466499).

The spelling of 80315191 in words is "eighty million, three hundred fifteen thousand, one hundred ninety-one".