11331110231 has 16 divisors (see below), whose sum is σ = 13473864000. Its totient is φ = 9323236608.

The previous prime is 11331110227. The next prime is 11331110243. The reversal of 11331110231 is 13201113311.

It is not a de Polignac number, because 11331110231 - 2² = 11331110227 is a prime.

It is a super-2 number, since 2×11331110231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331110201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126206 + ... + 196443.

It is an arithmetic number, because the mean of its divisors is an integer number (842116500).

Almost surely, 2^11331110231 is an apocalyptic number.

11331110231 is a deficient number, since it is larger than the sum of its proper divisors (2142753769).

11331110231 is a wasteful number, since it uses less digits than its factorization.

11331110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322858.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11331110231 its reverse (13201113311), we get a palindrome (24532223542).

The spelling of 11331110231 in words is "eleven billion, three hundred thirty-one million, one hundred ten thousand, two hundred thirty-one".