1323210131203 has 2 divisors, whose sum is σ = 1323210131204. Its totient is φ = 1323210131202.

The previous prime is 1323210131179. The next prime is 1323210131239. The reversal of 1323210131203 is 3021310123231.

It is a weak prime.

It is an emirp because it is prime and its reverse (3021310123231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323210131203 - 2²⁹ = 1322673260291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323210131263) by changing a digit.

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 as a sum of consecutive naturals, namely, 661605065601 + 661605065602.

It is an arithmetic number, because the mean of its divisors is an integer number (661605065602).

Almost surely, 2^{1323210131203} is an apocalyptic number.

1323210131203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323210131203 is an equidigital number, since it uses as much as digits as its factorization.

1323210131203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1323210131203 its reverse (3021310123231), we get a palindrome (4344520254434).

The spelling of 1323210131203 in words is "one trillion, three hundred twenty-three billion, two hundred ten million, one hundred thirty-one thousand, two hundred three".