1103003213312 has 320 divisors, whose sum is σ = 2963969293824. Its totient is φ = 396021104640.

The previous prime is 1103003213297. The next prime is 1103003213369. The reversal of 1103003213312 is 2133123003011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387970163 + ... + 387973005.

Almost surely, 2^{1103003213312} 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 1103003213312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481984646912).

1103003213312 is an abundant number, since it is smaller than the sum of its proper divisors (1860966080512).

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

1103003213312 is a wasteful number, since it uses less digits than its factorization.

1103003213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649 (or 3633 counting only the distinct ones).

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

Adding to 1103003213312 its reverse (2133123003011), we get a palindrome (3236126216323).

The spelling of 1103003213312 in words is "one trillion, one hundred three billion, three million, two hundred thirteen thousand, three hundred twelve".