315213650223345 has 24 divisors (see below), whose sum is σ = 547080821687400. Its totient is φ = 167895333052416.

The previous prime is 315213650223343. The next prime is 315213650223349. The reversal of 315213650223345 is 543322056312513.

315213650223345 is a `hidden beast` number, since 3 + 1 + 5 + 2 + 1 + 36 + 50 + 223 + 345 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52706772363249 + 262506877860096 = 7259943^2 + 16202064^2 .

It is not a de Polignac number, because 315213650223345 - 2¹ = 315213650223343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 315213650223345.

It is not an unprimeable number, because it can be changed into a prime (315213650223343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4554417790 + ... + 4554486999.

It is an arithmetic number, because the mean of its divisors is an integer number (22795034236975).

Almost surely, 2^{315213650223345} is an apocalyptic number.

It is an amenable number.

315213650223345 is a deficient number, since it is larger than the sum of its proper divisors (231867171464055).

315213650223345 is a wasteful number, since it uses less digits than its factorization.

315213650223345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108905569 (or 9108905566 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 315213650223345 in words is "three hundred fifteen trillion, two hundred thirteen billion, six hundred fifty million, two hundred twenty-three thousand, three hundred forty-five".