315322521344 has 36 divisors (see below), whose sum is σ = 662540340840. Its totient is φ = 149363297280.

The previous prime is 315322521341. The next prime is 315322521361. The reversal of 315322521344 is 443125223513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315322521341) 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 3 ways as a sum of consecutive naturals, for example, 32409047 + ... + 32418774.

Almost surely, 2^315322521344 is an apocalyptic number.

It is an amenable number.

315322521344 is an abundant number, since it is smaller than the sum of its proper divisors (347217819496).

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

315322521344 is an equidigital number, since it uses as much as digits as its factorization.

315322521344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64827856 (or 64827842 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 315322521344 its reverse (443125223513), we get a palindrome (758447744857).

The spelling of 315322521344 in words is "three hundred fifteen billion, three hundred twenty-two million, five hundred twenty-one thousand, three hundred forty-four".