11143044031 has 8 divisors (see below), whose sum is σ = 12778373664. Its totient is φ = 9518580960.

The previous prime is 11143043983. The next prime is 11143044053. The reversal of 11143044031 is 13044034111.

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 11143044031 - 2²¹ = 11140946879 is a prime.

It is a super-2 number, since 2×11143044031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11143043993 and 11143044011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143044131) 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, 2714440 + ... + 2718541.

It is an arithmetic number, because the mean of its divisors is an integer number (1597296708).

Almost surely, 2^11143044031 is an apocalyptic number.

11143044031 is a deficient number, since it is larger than the sum of its proper divisors (1635329633).

11143044031 is an equidigital number, since it uses as much as digits as its factorization.

11143044031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433281.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11143044031 its reverse (13044034111), we get a palindrome (24187078142).

The spelling of 11143044031 in words is "eleven billion, one hundred forty-three million, forty-four thousand, thirty-one".