315300220135205 has 8 divisors (see below), whose sum is σ = 378451899029400. Its totient is φ = 252179086196736.

The previous prime is 315300220135183. The next prime is 315300220135223. The reversal of 315300220135205 is 502531022003513.

It can be written as a sum of positive squares in 4 ways, for example, as 86678501996641 + 228621718138564 = 9310129^2 + 15120242^2 .

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 315300220135205 - 2¹⁸ = 315300219873061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7636216220 + ... + 7636257509.

It is an arithmetic number, because the mean of its divisors is an integer number (47306487378675).

Almost surely, 2^{315300220135205} is an apocalyptic number.

It is an amenable number.

315300220135205 is a deficient number, since it is larger than the sum of its proper divisors (63151678894195).

315300220135205 is a wasteful number, since it uses less digits than its factorization.

315300220135205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15272477863.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 315300220135205 its reverse (502531022003513), we get a palindrome (817831242138718).

The spelling of 315300220135205 in words is "three hundred fifteen trillion, three hundred billion, two hundred twenty million, one hundred thirty-five thousand, two hundred five".