1323031303003 has 4 divisors (see below), whose sum is σ = 1323162267408. Its totient is φ = 1322900338600.

The previous prime is 1323031302997. The next prime is 1323031303043. The reversal of 1323031303003 is 3003031303231.

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-1323031303003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323031303043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65467048 + ... + 65487253.

It is an arithmetic number, because the mean of its divisors is an integer number (330790566852).

Almost surely, 2^{1323031303003} is an apocalyptic number.

1323031303003 is a deficient number, since it is larger than the sum of its proper divisors (130964405).

1323031303003 is a wasteful number, since it uses less digits than its factorization.

1323031303003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130964404.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 1323031303003 its reverse (3003031303231), we get a palindrome (4326062606234).

The spelling of 1323031303003 in words is "one trillion, three hundred twenty-three billion, thirty-one million, three hundred three thousand, three".