1323313232311 has 32 divisors (see below), whose sum is σ = 1553152204800. Its totient is φ = 1104171868800.

The previous prime is 1323313232299. The next prime is 1323313232323. The reversal of 1323313232311 is 1132323133231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1323313232299) and next prime (1323313232323).

It is not a de Polignac number, because 1323313232311 - 2¹⁹ = 1323312708023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323313232311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323313230311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13299301 + ... + 13398433.

It is an arithmetic number, because the mean of its divisors is an integer number (48536006400).

Almost surely, 2^{1323313232311} is an apocalyptic number.

1323313232311 is a deficient number, since it is larger than the sum of its proper divisors (229838972489).

1323313232311 is a wasteful number, since it uses less digits than its factorization.

1323313232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99559.

The product of its digits is 5832, while the sum is 28.

Adding to 1323313232311 its reverse (1132323133231), we get a palindrome (2455636365542).

The spelling of 1323313232311 in words is "one trillion, three hundred twenty-three billion, three hundred thirteen million, two hundred thirty-two thousand, three hundred eleven".