11331332203231 has 8 divisors (see below), whose sum is σ = 11380350144240. Its totient is φ = 11282352457728.

The previous prime is 11331332203211. The next prime is 11331332203267. The reversal of 11331332203231 is 13230223313311.

It is a happy number.

11331332203231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11331332203231 - 2²³ = 11331323814623 is a prime.

It is a super-2 number, since 2×11331332203231² (a number of 27 digits) contains 22 as substring.

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 11331332203231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331332203201) 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, 8954181 + ... + 10141006.

It is an arithmetic number, because the mean of its divisors is an integer number (1422543768030).

Almost surely, 2^{11331332203231} is an apocalyptic number.

11331332203231 is a deficient number, since it is larger than the sum of its proper divisors (49017941009).

11331332203231 is a wasteful number, since it uses less digits than its factorization.

11331332203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097753.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 11331332203231 its reverse (13230223313311), we get a palindrome (24561555516542).

The spelling of 11331332203231 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty-two million, two hundred three thousand, two hundred thirty-one".