313015212015313 has 4 divisors (see below), whose sum is σ = 314178837339060. Its totient is φ = 311851586691568.

The previous prime is 313015212015301. The next prime is 313015212015343. The reversal of 313015212015313 is 313510212510313.

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 160312645300369 + 152702566714944 = 12661463^2 + 12357288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313015212015313 is a prime.

It is a super-3 number, since 3×313015212015313³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313015212015343) 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, 581812661470 + ... + 581812662007.

It is an arithmetic number, because the mean of its divisors is an integer number (78544709334765).

Almost surely, 2^{313015212015313} is an apocalyptic number.

It is an amenable number.

313015212015313 is a deficient number, since it is larger than the sum of its proper divisors (1163625323747).

313015212015313 is a wasteful number, since it uses less digits than its factorization.

313015212015313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163625323746.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 313015212015313 its reverse (313510212510313), we get a palindrome (626525424525626).

The spelling of 313015212015313 in words is "three hundred thirteen trillion, fifteen billion, two hundred twelve million, fifteen thousand, three hundred thirteen".