1323241311 has 32 divisors (see below), whose sum is σ = 2043317248. Its totient is φ = 746081280.

The previous prime is 1323241307. The next prime is 1323241351. The reversal of 1323241311 is 1131423231.

It is not a de Polignac number, because 1323241311 - 2² = 1323241307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323241351) 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, 856806 + ... + 858348.

It is an arithmetic number, because the mean of its divisors is an integer number (63853664).

Almost surely, 2^1323241311 is an apocalyptic number.

1323241311 is a deficient number, since it is larger than the sum of its proper divisors (720075937).

1323241311 is a wasteful number, since it uses less digits than its factorization.

1323241311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071.

The product of its digits is 432, while the sum is 21.

The square root of 1323241311 is about 36376.3839736717. The cubic root of 1323241311 is about 1097.8584535238.

Adding to 1323241311 its reverse (1131423231), we get a palindrome (2454664542).

The spelling of 1323241311 in words is "one billion, three hundred twenty-three million, two hundred forty-one thousand, three hundred eleven".