1103313144321 has 96 divisors (see below), whose sum is σ = 1782306938880. Its totient is φ = 654914937600.

The previous prime is 1103313144317. The next prime is 1103313144343. The reversal of 1103313144321 is 1234413133011.

1103313144321 is a `hidden beast` number, since 1 + 1 + 0 + 331 + 3 + 1 + 4 + 4 + 321 = 666.

It is not a de Polignac number, because 1103313144321 - 2² = 1103313144317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103313144121) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 25194981 + ... + 25238733.

It is an arithmetic number, because the mean of its divisors is an integer number (18565697280).

Almost surely, 2^{1103313144321} is an apocalyptic number.

It is an amenable number.

1103313144321 is a deficient number, since it is larger than the sum of its proper divisors (678993794559).

1103313144321 is a wasteful number, since it uses less digits than its factorization.

1103313144321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43947 (or 43944 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 1103313144321 its reverse (1234413133011), we get a palindrome (2337726277332).

The spelling of 1103313144321 in words is "one trillion, one hundred three billion, three hundred thirteen million, one hundred forty-four thousand, three hundred twenty-one".