11331132011231 has 8 divisors (see below), whose sum is σ = 11343666902400. Its totient is φ = 11318597567640.

The previous prime is 11331132011201. The next prime is 11331132011257. The reversal of 11331132011231 is 13211023113311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331132011231 is a prime.

It is a super-2 number, since 2×11331132011231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331132011197 and 11331132011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331132011201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93731816 + ... + 93852626.

It is an arithmetic number, because the mean of its divisors is an integer number (1417958362800).

Almost surely, 2^{11331132011231} is an apocalyptic number.

11331132011231 is a deficient number, since it is larger than the sum of its proper divisors (12534891169).

11331132011231 is a wasteful number, since it uses less digits than its factorization.

11331132011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223789.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11331132011231 its reverse (13211023113311), we get a palindrome (24542155124542).

The spelling of 11331132011231 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, eleven thousand, two hundred thirty-one".