103331021312 has 80 divisors (see below), whose sum is σ = 215690694912. Its totient is φ = 49395855360.

The previous prime is 103331021173. The next prime is 103331021329. The reversal of 103331021312 is 213120133301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278158 + ... + 1356594.

Almost surely, 2^103331021312 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 103331021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107845347456).

103331021312 is an abundant number, since it is smaller than the sum of its proper divisors (112359673600).

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

103331021312 is an frugal number, since it uses more digits than its factorization.

103331021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78569 (or 78553 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103331021312 its reverse (213120133301), we get a palindrome (316451154613).

The spelling of 103331021312 in words is "one hundred three billion, three hundred thirty-one million, twenty-one thousand, three hundred twelve".