1323031301011 has 24 divisors (see below), whose sum is σ = 1600084505184. Its totient is φ = 1071460172160.

The previous prime is 1323031300993. The next prime is 1323031301041. The reversal of 1323031301011 is 1101031303231.

It is not a de Polignac number, because 1323031301011 - 2¹³ = 1323031292819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323031301011.

It is not an unprimeable number, because it can be changed into a prime (1323031301041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240751 + ... + 1644391.

It is an arithmetic number, because the mean of its divisors is an integer number (66670187716).

Almost surely, 2^{1323031301011} is an apocalyptic number.

1323031301011 is a deficient number, since it is larger than the sum of its proper divisors (277053204173).

1323031301011 is a wasteful number, since it uses less digits than its factorization.

1323031301011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404059 (or 1404040 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1323031301011 its reverse (1101031303231), we get a palindrome (2424062604242).

The spelling of 1323031301011 in words is "one trillion, three hundred twenty-three billion, thirty-one million, three hundred one thousand, eleven".