11143311332431 has 8 divisors (see below), whose sum is σ = 11245614953760. Its totient is φ = 11041009009632.

The previous prime is 11143311332411. The next prime is 11143311332443. The reversal of 11143311332431 is 13423311334111.

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 11143311332431 - 2¹⁵ = 11143311299663 is a prime.

It is a super-2 number, since 2×11143311332431² (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 = 11143311332393 and 11143311332402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143311332401) 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 7 ways as a sum of consecutive naturals, for example, 29101686 + ... + 29482108.

It is an arithmetic number, because the mean of its divisors is an integer number (1405701869220).

Almost surely, 2^{11143311332431} is an apocalyptic number.

11143311332431 is a deficient number, since it is larger than the sum of its proper divisors (102303621329).

11143311332431 is a wasteful number, since it uses less digits than its factorization.

11143311332431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649265.

The product of its digits is 7776, while the sum is 31.

Adding to 11143311332431 its reverse (13423311334111), we get a palindrome (24566622666542).

The spelling of 11143311332431 in words is "eleven trillion, one hundred forty-three billion, three hundred eleven million, three hundred thirty-two thousand, four hundred thirty-one".