986317313 has 4 divisors (see below), whose sum is σ = 997399620. Its totient is φ = 975235008.

The previous prime is 986317309. The next prime is 986317369. The reversal of 986317313 is 313713689.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71436304 + 914881009 = 8452^2 + 30247^2 .

It is a cyclic number.

It is not a de Polignac number, because 986317313 - 2² = 986317309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986317393) 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, 5541020 + ... + 5541197.

It is an arithmetic number, because the mean of its divisors is an integer number (249349905).

Almost surely, 2^986317313 is an apocalyptic number.

It is an amenable number.

986317313 is a deficient number, since it is larger than the sum of its proper divisors (11082307).

986317313 is a wasteful number, since it uses less digits than its factorization.

986317313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082306.

The product of its digits is 81648, while the sum is 41.

The square root of 986317313 is about 31405.6891820574. The cubic root of 986317313 is about 995.4181429825.

The spelling of 986317313 in words is "nine hundred eighty-six million, three hundred seventeen thousand, three hundred thirteen".