315330421252 has 24 divisors (see below), whose sum is σ = 687993647040. Its totient is φ = 122856008160.

The previous prime is 315330421177. The next prime is 315330421261. The reversal of 315330421252 is 252124033513.

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, 511899727 + ... + 511900342.

It is an arithmetic number, because the mean of its divisors is an integer number (28666401960).

Almost surely, 2^315330421252 is an apocalyptic number.

It is an amenable number.

315330421252 is an abundant number, since it is smaller than the sum of its proper divisors (372663225788).

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

315330421252 is a wasteful number, since it uses less digits than its factorization.

315330421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023800091 (or 1023800089 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 315330421252 its reverse (252124033513), we get a palindrome (567454454765).

The spelling of 315330421252 in words is "three hundred fifteen billion, three hundred thirty million, four hundred twenty-one thousand, two hundred fifty-two".