1323210002311 has 4 divisors (see below), whose sum is σ = 1344901969624. Its totient is φ = 1301518035000.

The previous prime is 1323210002297. The next prime is 1323210002321. The reversal of 1323210002311 is 1132000123231.

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

It is a cyclic number.

It is not a de Polignac number, because 1323210002311 - 2⁷ = 1323210002183 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 (1323210002321) 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, 10845983565 + ... + 10845983686.

It is an arithmetic number, because the mean of its divisors is an integer number (336225492406).

Almost surely, 2^{1323210002311} is an apocalyptic number.

1323210002311 is a deficient number, since it is larger than the sum of its proper divisors (21691967313).

1323210002311 is an equidigital number, since it uses as much as digits as its factorization.

1323210002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21691967312.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1323210002311 its reverse (1132000123231), we get a palindrome (2455210125542).

The spelling of 1323210002311 in words is "one trillion, three hundred twenty-three billion, two hundred ten million, two thousand, three hundred eleven".