315643343344 has 80 divisors (see below), whose sum is σ = 701392608000. Its totient is φ = 134798856192.

The previous prime is 315643343341. The next prime is 315643343369. The reversal of 315643343344 is 443343346513.

It is a self number, because there is not a number n which added to its sum of digits gives 315643343344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315643343341) 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, 43193739 + ... + 43201045.

It is an arithmetic number, because the mean of its divisors is an integer number (8767407600).

Almost surely, 2^315643343344 is an apocalyptic number.

It is an amenable number.

315643343344 is an abundant number, since it is smaller than the sum of its proper divisors (385749264656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315643343344 is a wasteful number, since it uses less digits than its factorization.

315643343344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630 (or 8624 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 43.

Adding to 315643343344 its reverse (443343346513), we get a palindrome (758986689857).

The spelling of 315643343344 in words is "three hundred fifteen billion, six hundred forty-three million, three hundred forty-three thousand, three hundred forty-four".