285813307101313 has 4 divisors (see below), whose sum is σ = 285814487897428. Its totient is φ = 285812126305200.

The previous prime is 285813307101239. The next prime is 285813307101349. The reversal of 285813307101313 is 313101703318582.

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 108424258813809 + 177389048287504 = 10412697^2 + 13318748^2 .

It is a cyclic number.

It is not a de Polignac number, because 285813307101313 - 2¹⁷ = 285813306970241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285813307101373) 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 3 ways as a sum of consecutive naturals, for example, 590034906 + ... + 590519107.

It is an arithmetic number, because the mean of its divisors is an integer number (71453621974357).

Almost surely, 2^{285813307101313} is an apocalyptic number.

It is an amenable number.

285813307101313 is a deficient number, since it is larger than the sum of its proper divisors (1180796115).

285813307101313 is a wasteful number, since it uses less digits than its factorization.

285813307101313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180796114.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 285813307101313 in words is "two hundred eighty-five trillion, eight hundred thirteen billion, three hundred seven million, one hundred one thousand, three hundred thirteen".