11331441321 has 4 divisors (see below), whose sum is σ = 15108588432. Its totient is φ = 7554294212.

The previous prime is 11331441301. The next prime is 11331441323. The reversal of 11331441321 is 12314413311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11331441321 - 2²² = 11327247017 is a prime.

It is a super-2 number, since 2×11331441321² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11331441291 and 11331441300.

It is not an unprimeable number, because it can be changed into a prime (11331441323) 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, 1888573551 + ... + 1888573556.

It is an arithmetic number, because the mean of its divisors is an integer number (3777147108).

Almost surely, 2^11331441321 is an apocalyptic number.

It is an amenable number.

11331441321 is a deficient number, since it is larger than the sum of its proper divisors (3777147111).

11331441321 is an equidigital number, since it uses as much as digits as its factorization.

11331441321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777147110.

The product of its digits is 864, while the sum is 24.

Adding to 11331441321 its reverse (12314413311), we get a palindrome (23645854632).

The spelling of 11331441321 in words is "eleven billion, three hundred thirty-one million, four hundred forty-one thousand, three hundred twenty-one".