11143413231 has 8 divisors (see below), whose sum is σ = 14902773504. Its totient is φ = 7406497560.

The previous prime is 11143413223. The next prime is 11143413257. The reversal of 11143413231 is 13231434111.

It is a happy number.

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

It is not a de Polignac number, because 11143413231 - 2³ = 11143413223 is a prime.

It is a super-2 number, since 2×11143413231² (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 (11143463231) 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, 5609991 + ... + 5611976.

It is an arithmetic number, because the mean of its divisors is an integer number (1862846688).

Almost surely, 2^11143413231 is an apocalyptic number.

11143413231 is a deficient number, since it is larger than the sum of its proper divisors (3759360273).

11143413231 is a wasteful number, since it uses less digits than its factorization.

11143413231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222301.

The product of its digits is 864, while the sum is 24.

Adding to 11143413231 its reverse (13231434111), we get a palindrome (24374847342).

The spelling of 11143413231 in words is "eleven billion, one hundred forty-three million, four hundred thirteen thousand, two hundred thirty-one".