1323101331103 has 4 divisors (see below), whose sum is σ = 1325631162088. Its totient is φ = 1320571500120.

The previous prime is 1323101331077. The next prime is 1323101331109. The reversal of 1323101331103 is 3011331013231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323101331103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323101331109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264914708 + ... + 1264915753.

It is an arithmetic number, because the mean of its divisors is an integer number (331407790522).

Almost surely, 2^{1323101331103} is an apocalyptic number.

1323101331103 is a deficient number, since it is larger than the sum of its proper divisors (2529830985).

1323101331103 is an equidigital number, since it uses as much as digits as its factorization.

1323101331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529830984.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1323101331103 its reverse (3011331013231), we get a palindrome (4334432344334).

The spelling of 1323101331103 in words is "one trillion, three hundred twenty-three billion, one hundred one million, three hundred thirty-one thousand, one hundred three".