1103131112320 has 128 divisors (see below), whose sum is σ = 2685439500480. Its totient is φ = 433228185600.

The previous prime is 1103131112299. The next prime is 1103131112333. The reversal of 1103131112320 is 232111313011.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 10900674 + ... + 11001406.

Almost surely, 2^{1103131112320} is an apocalyptic number.

1103131112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103131112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342719750240).

1103131112320 is an abundant number, since it is smaller than the sum of its proper divisors (1582308388160).

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

1103131112320 is a wasteful number, since it uses less digits than its factorization.

1103131112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101064 (or 101052 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1103131112320 its reverse (232111313011), we get a palindrome (1335242425331).

The spelling of 1103131112320 in words is "one trillion, one hundred three billion, one hundred thirty-one million, one hundred twelve thousand, three hundred twenty".