103321320032 has 72 divisors (see below), whose sum is σ = 237381388776. Its totient is φ = 44138884608.

The previous prime is 103321320029. The next prime is 103321320041. The reversal of 103321320032 is 230023123301.

It is a junction number, because it is equal to n+sod(n) for n = 103321319986 and 103321320013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385523 + ... + 596045.

It is an arithmetic number, because the mean of its divisors is an integer number (3296963733).

Almost surely, 2^103321320032 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 103321320032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118690694388).

103321320032 is an abundant number, since it is smaller than the sum of its proper divisors (134060068744).

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

103321320032 is a wasteful number, since it uses less digits than its factorization.

103321320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210860 (or 210845 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 103321320032 its reverse (230023123301), we get a palindrome (333344443333).

The spelling of 103321320032 in words is "one hundred three billion, three hundred twenty-one million, three hundred twenty thousand, thirty-two".