11332113231 has 8 divisors (see below), whose sum is σ = 15460867840. Its totient is φ = 7379050392.

The previous prime is 11332113223. The next prime is 11332113239. The reversal of 11332113231 is 13231123311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11332113223) and next prime (11332113239).

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

It is not a de Polignac number, because 11332113231 - 2³ = 11332113223 is a prime.

It is a super-2 number, since 2×11332113231² (a number of 21 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 = 11332113198 and 11332113207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11332113239) 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, 43922791 + ... + 43923048.

It is an arithmetic number, because the mean of its divisors is an integer number (1932608480).

Almost surely, 2^11332113231 is an apocalyptic number.

11332113231 is a deficient number, since it is larger than the sum of its proper divisors (4128754609).

11332113231 is an equidigital number, since it uses as much as digits as its factorization.

11332113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87845885.

The product of its digits is 324, while the sum is 21.

Adding to 11332113231 its reverse (13231123311), we get a palindrome (24563236542).

The spelling of 11332113231 in words is "eleven billion, three hundred thirty-two million, one hundred thirteen thousand, two hundred thirty-one".