315143320336 has 40 divisors (see below), whose sum is σ = 692167017920. Its totient is φ = 137795458176.

The previous prime is 315143320277. The next prime is 315143320343. The reversal of 315143320336 is 633023341513.

It is a super-2 number, since 2×315143320336² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39867420 + ... + 39875323.

It is an arithmetic number, because the mean of its divisors is an integer number (17304175448).

Almost surely, 2^315143320336 is an apocalyptic number.

It is an amenable number.

315143320336 is an abundant number, since it is smaller than the sum of its proper divisors (377023697584).

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

315143320336 is a wasteful number, since it uses less digits than its factorization.

315143320336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79742783 (or 79742777 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 34.

Adding to 315143320336 its reverse (633023341513), we get a palindrome (948166661849).

The spelling of 315143320336 in words is "three hundred fifteen billion, one hundred forty-three million, three hundred twenty thousand, three hundred thirty-six".