27317206313 has 8 divisors (see below), whose sum is σ = 28925566632. Its totient is φ = 25709008896.

The previous prime is 27317206307. The next prime is 27317206339. The reversal of 27317206313 is 31360271372.

It can be written as a sum of positive squares in 4 ways, for example, as 10648588864 + 16668617449 = 103192^2 + 129107^2 .

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 27317206313 - 2²² = 27313012009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27317206303) 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, 546881 + ... + 594737.

It is an arithmetic number, because the mean of its divisors is an integer number (3615695829).

Almost surely, 2^27317206313 is an apocalyptic number.

It is an amenable number.

27317206313 is a deficient number, since it is larger than the sum of its proper divisors (1608360319).

27317206313 is a wasteful number, since it uses less digits than its factorization.

27317206313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81451.

The product of its (nonzero) digits is 31752, while the sum is 35.

Adding to 27317206313 its reverse (31360271372), we get a palindrome (58677477685).

The spelling of 27317206313 in words is "twenty-seven billion, three hundred seventeen million, two hundred six thousand, three hundred thirteen".