315713547547 has 4 divisors (see below), whose sum is σ = 320889179536. Its totient is φ = 310537915560.

The previous prime is 315713547521. The next prime is 315713547607. The reversal of 315713547547 is 745745317513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315713547547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315713547494 and 315713547503.

It is not an unprimeable number, because it can be changed into a prime (315713544547) 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, 2587815903 + ... + 2587816024.

It is an arithmetic number, because the mean of its divisors is an integer number (80222294884).

Almost surely, 2^315713547547 is an apocalyptic number.

315713547547 is a deficient number, since it is larger than the sum of its proper divisors (5175631989).

315713547547 is an equidigital number, since it uses as much as digits as its factorization.

315713547547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175631988.

The product of its digits is 6174000, while the sum is 52.

The spelling of 315713547547 in words is "three hundred fifteen billion, seven hundred thirteen million, five hundred forty-seven thousand, five hundred forty-seven".