1113231323321 has 4 divisors (see below), whose sum is σ = 1198864502052. Its totient is φ = 1027598144592.

The previous prime is 1113231323311. The next prime is 1113231323383. The reversal of 1113231323321 is 1233231323111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 305504925625 + 807726397696 = 552725^2 + 898736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113231323321 - 2¹⁴ = 1113231306937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113231323311) 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, 42816589346 + ... + 42816589371.

It is an arithmetic number, because the mean of its divisors is an integer number (299716125513).

Almost surely, 2^{1113231323321} is an apocalyptic number.

It is an amenable number.

1113231323321 is a deficient number, since it is larger than the sum of its proper divisors (85633178731).

1113231323321 is an equidigital number, since it uses as much as digits as its factorization.

1113231323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85633178730.

The product of its digits is 1944, while the sum is 26.

Adding to 1113231323321 its reverse (1233231323111), we get a palindrome (2346462646432).

The spelling of 1113231323321 in words is "one trillion, one hundred thirteen billion, two hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty-one".