1103131423320 has 256 divisors, whose sum is σ = 3422553523200. Its totient is φ = 284297594880.

The previous prime is 1103131423319. The next prime is 1103131423333. The reversal of 1103131423320 is 233241313011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189506010 + ... + 189511830.

It is an arithmetic number, because the mean of its divisors is an integer number (13369349700).

Almost surely, 2^{1103131423320} is an apocalyptic number.

1103131423320 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 1103131423320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711276761600).

1103131423320 is an abundant number, since it is smaller than the sum of its proper divisors (2319422099880).

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

1103131423320 is a wasteful number, since it uses less digits than its factorization.

1103131423320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330 (or 6326 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1103131423320 its reverse (233241313011), we get a palindrome (1336372736331).

The spelling of 1103131423320 in words is "one trillion, one hundred three billion, one hundred thirty-one million, four hundred twenty-three thousand, three hundred twenty".