315543252013 has 4 divisors (see below), whose sum is σ = 344229002208. Its totient is φ = 286857501820.

The previous prime is 315543251983. The next prime is 315543252023. The reversal of 315543252013 is 310252345513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310252345513 = 11 ⋅28204758683.

It is a cyclic number.

It is not a de Polignac number, because 315543252013 - 2⁵ = 315543251981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315543252013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315543252023) 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, 14342875081 + ... + 14342875102.

It is an arithmetic number, because the mean of its divisors is an integer number (86057250552).

Almost surely, 2^315543252013 is an apocalyptic number.

It is an amenable number.

315543252013 is a deficient number, since it is larger than the sum of its proper divisors (28685750195).

315543252013 is a wasteful number, since it uses less digits than its factorization.

315543252013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28685750194.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 315543252013 its reverse (310252345513), we get a palindrome (625795597526).

The spelling of 315543252013 in words is "three hundred fifteen billion, five hundred forty-three million, two hundred fifty-two thousand, thirteen".