1111331132231 has 8 divisors (see below), whose sum is σ = 1181077919280. Its totient is φ = 1042070386048.

The previous prime is 1111331132227. The next prime is 1111331132257. The reversal of 1111331132231 is 1322311331111.

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 1111331132231 - 2² = 1111331132227 is a prime.

It is a super-2 number, since 2×1111331132231² (a number of 25 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 = 1111331132197 and 1111331132206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111331132531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121505501 + ... + 121514646.

It is an arithmetic number, because the mean of its divisors is an integer number (147634739910).

Almost surely, 2^{1111331132231} is an apocalyptic number.

1111331132231 is a deficient number, since it is larger than the sum of its proper divisors (69746787049).

1111331132231 is a wasteful number, since it uses less digits than its factorization.

1111331132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243020433.

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

Adding to 1111331132231 its reverse (1322311331111), we get a palindrome (2433642463342).

The spelling of 1111331132231 in words is "one trillion, one hundred eleven billion, three hundred thirty-one million, one hundred thirty-two thousand, two hundred thirty-one".