10103321312 has 72 divisors (see below), whose sum is σ = 23170923216. Its totient is φ = 4248032256.

The previous prime is 10103321309. The next prime is 10103321369. The reversal of 10103321312 is 21312330101.

It is a super-3 number, since 3×10103321312³ (a number of 31 digits) contains 333 as substring.

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, 621188 + ... + 637244.

It is an arithmetic number, because the mean of its divisors is an integer number (321818378).

Almost surely, 2^10103321312 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 10103321312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11585461608).

10103321312 is an abundant number, since it is smaller than the sum of its proper divisors (13067601904).

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

10103321312 is an equidigital number, since it uses as much as digits as its factorization.

10103321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16180 (or 16119 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10103321312 its reverse (21312330101), we get a palindrome (31415651413).

The spelling of 10103321312 in words is "ten billion, one hundred three million, three hundred twenty-one thousand, three hundred twelve".