315344424443513 has 8 divisors (see below), whose sum is σ = 340193985083208. Its totient is φ = 291194851427584.

The previous prime is 315344424443467. The next prime is 315344424443557.

It is a happy number.

315344424443513 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 45099659434384 + 270244765009129 = 6715628^2 + 16439123^2 .

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 315344424443513 - 2³⁰ = 315343350701689 is a prime.

It is a super-2 number, since 2×315344424443513² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315344424442513) 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, 174996905006 + ... + 174996906807.

It is an arithmetic number, because the mean of its divisors is an integer number (42524248135401).

Almost surely, 2^{315344424443513} is an apocalyptic number.

It is an amenable number.

315344424443513 is a deficient number, since it is larger than the sum of its proper divisors (24849560639695).

315344424443513 is a wasteful number, since it uses less digits than its factorization.

315344424443513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349993811883.

The product of its digits is 16588800, while the sum is 50.

The spelling of 315344424443513 in words is "three hundred fifteen trillion, three hundred forty-four billion, four hundred twenty-four million, four hundred forty-three thousand, five hundred thirteen".