320215103124 has 144 divisors (see below), whose sum is σ = 893315810688. Its totient is φ = 87446709504.

The previous prime is 320215103081. The next prime is 320215103209. The reversal of 320215103124 is 421301512023.

It is a junction number, because it is equal to n+sod(n) for n = 320215103094 and 320215103103.

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 47 ways as a sum of consecutive naturals, for example, 108289054 + ... + 108292010.

Almost surely, 2^320215103124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320215103124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446657905344).

320215103124 is an abundant number, since it is smaller than the sum of its proper divisors (573100707564).

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

320215103124 is a wasteful number, since it uses less digits than its factorization.

320215103124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454 (or 5429 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 320215103124 its reverse (421301512023), we get a palindrome (741516615147).

The spelling of 320215103124 in words is "three hundred twenty billion, two hundred fifteen million, one hundred three thousand, one hundred twenty-four".