11343312231 has 16 divisors (see below), whose sum is σ = 15414566400. Its totient is φ = 7418204640.

The previous prime is 11343312217. The next prime is 11343312251. The reversal of 11343312231 is 13221334311.

11343312231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11343312231 - 2⁹ = 11343311719 is a prime.

It is a super-2 number, since 2×11343312231² (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 (11343312251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91420 + ... + 176193.

It is an arithmetic number, because the mean of its divisors is an integer number (963410400).

Almost surely, 2^11343312231 is an apocalyptic number.

11343312231 is a deficient number, since it is larger than the sum of its proper divisors (4071254169).

11343312231 is a wasteful number, since it uses less digits than its factorization.

11343312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267886.

The product of its digits is 1296, while the sum is 24.

Adding to 11343312231 its reverse (13221334311), we get a palindrome (24564646542).

The spelling of 11343312231 in words is "eleven billion, three hundred forty-three million, three hundred twelve thousand, two hundred thirty-one".