315120323320 has 64 divisors (see below), whose sum is σ = 798428067840. Its totient is φ = 110892777600.

The previous prime is 315120323317. The next prime is 315120323327. The reversal of 315120323320 is 23323021513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315120323327) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11537692 + ... + 11564971.

It is an arithmetic number, because the mean of its divisors is an integer number (12475438560).

Almost surely, 2^315120323320 is an apocalyptic number.

It is an amenable number.

315120323320 is an abundant number, since it is smaller than the sum of its proper divisors (483307744520).

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

315120323320 is a wasteful number, since it uses less digits than its factorization.

315120323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23102716 (or 23102712 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 315120323320 its reverse (23323021513), we get a palindrome (338443344833).

The spelling of 315120323320 in words is "three hundred fifteen billion, one hundred twenty million, three hundred twenty-three thousand, three hundred twenty".