11143110031 has 4 divisors (see below), whose sum is σ = 11257987552. Its totient is φ = 11028232512.

The previous prime is 11143110029. The next prime is 11143110047. The reversal of 11143110031 is 13001134111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11143110031 - 2¹ = 11143110029 is a prime.

It is a super-2 number, since 2×11143110031² (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 = 11143109987 and 11143110014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143110731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57438615 + ... + 57438808.

It is an arithmetic number, because the mean of its divisors is an integer number (2814496888).

Almost surely, 2^11143110031 is an apocalyptic number.

11143110031 is a deficient number, since it is larger than the sum of its proper divisors (114877521).

11143110031 is an equidigital number, since it uses as much as digits as its factorization.

11143110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114877520.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11143110031 its reverse (13001134111), we get a palindrome (24144244142).

The spelling of 11143110031 in words is "eleven billion, one hundred forty-three million, one hundred ten thousand, thirty-one".