315523721342247 has 16 divisors (see below), whose sum is σ = 459428223652992. Its totient is φ = 191024569044320.

The previous prime is 315523721342243. The next prime is 315523721342251. The reversal of 315523721342247 is 742243127325513.

It is an interprime number because it is at equal distance from previous prime (315523721342243) and next prime (315523721342251).

It is not a de Polignac number, because 315523721342247 - 2² = 315523721342243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315523721342247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315523721342243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5048186748 + ... + 5048249249.

It is an arithmetic number, because the mean of its divisors is an integer number (28714263978312).

Almost surely, 2^{315523721342247} is an apocalyptic number.

315523721342247 is a deficient number, since it is larger than the sum of its proper divisors (143904502310745).

315523721342247 is a wasteful number, since it uses less digits than its factorization.

315523721342247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096436958.

The product of its digits is 8467200, while the sum is 51.

The spelling of 315523721342247 in words is "three hundred fifteen trillion, five hundred twenty-three billion, seven hundred twenty-one million, three hundred forty-two thousand, two hundred forty-seven".