315212530320 has 200 divisors, whose sum is σ = 1099365886080. Its totient is φ = 83704561920.

The previous prime is 315212530319. The next prime is 315212530361. The reversal of 315212530320 is 23035212513.

It is a happy number.

315212530320 is a `hidden beast` number, since 315 + 2 + 1 + 25 + 3 + 0 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1446955 + ... + 1650485.

Almost surely, 2^315212530320 is an apocalyptic number.

315212530320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315212530320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549682943040).

315212530320 is an abundant number, since it is smaller than the sum of its proper divisors (784153355760).

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

315212530320 is a wasteful number, since it uses less digits than its factorization.

315212530320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203795 (or 203780 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 315212530320 its reverse (23035212513), we get a palindrome (338247742833).

The spelling of 315212530320 in words is "three hundred fifteen billion, two hundred twelve million, five hundred thirty thousand, three hundred twenty".