315225203340 has 96 divisors (see below), whose sum is σ = 954434202624. Its totient is φ = 77432028160.

The previous prime is 315225203333. The next prime is 315225203389. The reversal of 315225203340 is 43302522513.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 315225203298 and 315225203307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3239766 + ... + 3335645.

It is an arithmetic number, because the mean of its divisors is an integer number (9942022944).

Almost surely, 2^315225203340 is an apocalyptic number.

315225203340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315225203340 is an abundant number, since it is smaller than the sum of its proper divisors (639208999284).

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

315225203340 is a wasteful number, since it uses less digits than its factorization.

315225203340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575487 (or 6575485 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 315225203340 its reverse (43302522513), we get a palindrome (358527725853).

The spelling of 315225203340 in words is "three hundred fifteen billion, two hundred twenty-five million, two hundred three thousand, three hundred forty".