315223440132 has 96 divisors (see below), whose sum is σ = 759731188608. Its totient is φ = 101649752064.

The previous prime is 315223440127. The next prime is 315223440143. The reversal of 315223440132 is 231044322513.

It is a self number, because there is not a number n which added to its sum of digits gives 315223440132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100484068 + ... + 100487204.

It is an arithmetic number, because the mean of its divisors is an integer number (7913866548).

Almost surely, 2^315223440132 is an apocalyptic number.

It is an amenable number.

315223440132 is an abundant number, since it is smaller than the sum of its proper divisors (444507748476).

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

315223440132 is a wasteful number, since it uses less digits than its factorization.

315223440132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405 (or 4403 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 315223440132 its reverse (231044322513), we get a palindrome (546267762645).

The spelling of 315223440132 in words is "three hundred fifteen billion, two hundred twenty-three million, four hundred forty thousand, one hundred thirty-two".