315221103320 has 16 divisors (see below), whose sum is σ = 709247482560. Its totient is φ = 126088441312.

The previous prime is 315221103289. The next prime is 315221103361. The reversal of 315221103320 is 23301122513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3940263752 + ... + 3940263831.

It is an arithmetic number, because the mean of its divisors is an integer number (44327967660).

Almost surely, 2^315221103320 is an apocalyptic number.

It is an amenable number.

315221103320 is an abundant number, since it is smaller than the sum of its proper divisors (394026379240).

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

315221103320 is a wasteful number, since it uses less digits than its factorization.

315221103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880527594 (or 7880527590 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 315221103320 its reverse (23301122513), we get a palindrome (338522225833).

The spelling of 315221103320 in words is "three hundred fifteen billion, two hundred twenty-one million, one hundred three thousand, three hundred twenty".