11143241031 has 32 divisors (see below), whose sum is σ = 16078970880. Its totient is φ = 6823872000.

The previous prime is 11143241029. The next prime is 11143241041. The reversal of 11143241031 is 13014234111.

It is not a de Polignac number, because 11143241031 - 2¹ = 11143241029 is a prime.

It is a super-2 number, since 2×11143241031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11143240989 and 11143241007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143241041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11243946 + ... + 11244936.

It is an arithmetic number, because the mean of its divisors is an integer number (502467840).

Almost surely, 2^11143241031 is an apocalyptic number.

11143241031 is a deficient number, since it is larger than the sum of its proper divisors (4935729849).

11143241031 is a wasteful number, since it uses less digits than its factorization.

11143241031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11143241031 its reverse (13014234111), we get a palindrome (24157475142).

The spelling of 11143241031 in words is "eleven billion, one hundred forty-three million, two hundred forty-one thousand, thirty-one".