1322311123303 has 4 divisors (see below), whose sum is σ = 1324317665880. Its totient is φ = 1320304580728.

The previous prime is 1322311123261. The next prime is 1322311123319. The reversal of 1322311123303 is 3033211132231.

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-1322311123303 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 (1322311123373) 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, 1003270300 + ... + 1003271617.

It is an arithmetic number, because the mean of its divisors is an integer number (331079416470).

Almost surely, 2^{1322311123303} is an apocalyptic number.

1322311123303 is a deficient number, since it is larger than the sum of its proper divisors (2006542577).

1322311123303 is an equidigital number, since it uses as much as digits as its factorization.

1322311123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006542576.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1322311123303 its reverse (3033211132231), we get a palindrome (4355522255534).

The spelling of 1322311123303 in words is "one trillion, three hundred twenty-two billion, three hundred eleven million, one hundred twenty-three thousand, three hundred three".