315143320332 has 48 divisors (see below), whose sum is σ = 762266453760. Its totient is φ = 101253408192.

The previous prime is 315143320277. The next prime is 315143320343. The reversal of 315143320332 is 233023341513.

It is a self number, because there is not a number n which added to its sum of digits gives 315143320332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3269232 + ... + 3364247.

It is an arithmetic number, because the mean of its divisors is an integer number (15880551120).

Almost surely, 2^315143320332 is an apocalyptic number.

It is an amenable number.

315143320332 is an abundant number, since it is smaller than the sum of its proper divisors (447123133428).

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

315143320332 is a wasteful number, since it uses less digits than its factorization.

315143320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633630 (or 6633628 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 315143320332 its reverse (233023341513), we get a palindrome (548166661845).

The spelling of 315143320332 in words is "three hundred fifteen billion, one hundred forty-three million, three hundred twenty thousand, three hundred thirty-two".