80931313 has 8 divisors (see below), whose sum is σ = 82160000. Its totient is φ = 79707888.

The previous prime is 80931311. The next prime is 80931329. The reversal of 80931313 is 31313908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80931313 - 2¹ = 80931311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80931311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38395 + ... + 40447.

It is an arithmetic number, because the mean of its divisors is an integer number (10270000).

Almost surely, 2^80931313 is an apocalyptic number.

It is an amenable number.

80931313 is a deficient number, since it is larger than the sum of its proper divisors (1228687).

80931313 is a wasteful number, since it uses less digits than its factorization.

80931313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 80931313 is about 8996.1832462439. The cubic root of 80931313 is about 432.5525355230.

The spelling of 80931313 in words is "eighty million, nine hundred thirty-one thousand, three hundred thirteen".