82812313 has 8 divisors (see below), whose sum is σ = 86198400. Its totient is φ = 79461648.

The previous prime is 82812311. The next prime is 82812347. The reversal of 82812313 is 31321828.

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 82812313 - 2¹ = 82812311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82812311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4033 + ... + 13486.

It is an arithmetic number, because the mean of its divisors is an integer number (10774800).

Almost surely, 2^82812313 is an apocalyptic number.

It is an amenable number.

82812313 is a deficient number, since it is larger than the sum of its proper divisors (3386087).

82812313 is a wasteful number, since it uses less digits than its factorization.

82812313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17711.

The product of its digits is 2304, while the sum is 28.

The square root of 82812313 is about 9100.1270870247. The cubic root of 82812313 is about 435.8780222285.

The spelling of 82812313 in words is "eighty-two million, eight hundred twelve thousand, three hundred thirteen".