315020243320 has 32 divisors (see below), whose sum is σ = 712468080720. Its totient is φ = 125355202560.

The previous prime is 315020243311. The next prime is 315020243393. The reversal of 315020243320 is 23342020513.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20395146 + ... + 20410585.

Almost surely, 2^315020243320 is an apocalyptic number.

It is an amenable number.

315020243320 is an abundant number, since it is smaller than the sum of its proper divisors (397447837400).

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

315020243320 is a wasteful number, since it uses less digits than its factorization.

315020243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40805935 (or 40805931 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 315020243320 its reverse (23342020513), we get a palindrome (338362263833).

The spelling of 315020243320 in words is "three hundred fifteen billion, twenty million, two hundred forty-three thousand, three hundred twenty".