315040650613 has 4 divisors (see below), whose sum is σ = 339274546828. Its totient is φ = 290806754400.

The previous prime is 315040650611. The next prime is 315040650647. The reversal of 315040650613 is 316056040513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316056040513 = 37 ⋅8542055149.

It can be written as a sum of positive squares in 2 ways, for example, as 14009563044 + 301031087569 = 118362^2 + 548663^2 .

It is a cyclic number.

It is not a de Polignac number, because 315040650613 - 2¹ = 315040650611 is a prime.

It is a super-2 number, since 2×315040650613² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315040650611) 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, 12116948088 + ... + 12116948113.

It is an arithmetic number, because the mean of its divisors is an integer number (84818636707).

Almost surely, 2^315040650613 is an apocalyptic number.

It is an amenable number.

315040650613 is a deficient number, since it is larger than the sum of its proper divisors (24233896215).

315040650613 is a wasteful number, since it uses less digits than its factorization.

315040650613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24233896214.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 315040650613 in words is "three hundred fifteen billion, forty million, six hundred fifty thousand, six hundred thirteen".