11321330231 has 8 divisors (see below), whose sum is σ = 11738947584. Its totient is φ = 10906988760.

The previous prime is 11321330203. The next prime is 11321330243. The reversal of 11321330231 is 13203312311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11321330231 - 2¹⁰ = 11321329207 is a prime.

It is a super-2 number, since 2×11321330231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321330261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811931 + ... + 825756.

It is an arithmetic number, because the mean of its divisors is an integer number (1467368448).

Almost surely, 2^11321330231 is an apocalyptic number.

11321330231 is a deficient number, since it is larger than the sum of its proper divisors (417617353).

11321330231 is a wasteful number, since it uses less digits than its factorization.

11321330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637941.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11321330231 its reverse (13203312311), we get a palindrome (24524642542).

The spelling of 11321330231 in words is "eleven billion, three hundred twenty-one million, three hundred thirty thousand, two hundred thirty-one".