80171313 has 4 divisors (see below), whose sum is σ = 106895088. Its totient is φ = 53447540.

The previous prime is 80171281. The next prime is 80171321. The reversal of 80171313 is 31317108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80171313 - 2⁵ = 80171281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80171323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13361883 + ... + 13361888.

It is an arithmetic number, because the mean of its divisors is an integer number (26723772).

Almost surely, 2^80171313 is an apocalyptic number.

It is an amenable number.

80171313 is a deficient number, since it is larger than the sum of its proper divisors (26723775).

80171313 is a wasteful number, since it uses less digits than its factorization.

80171313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26723774.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 80171313 is about 8953.8434764072. The cubic root of 80171313 is about 431.1942876149.

The spelling of 80171313 in words is "eighty million, one hundred seventy-one thousand, three hundred thirteen".