11043030031 has 24 divisors (see below), whose sum is σ = 12681496800. Its totient is φ = 9596664000.

The previous prime is 11043030029. The next prime is 11043030041. The reversal of 11043030031 is 13003034011.

It is not a de Polignac number, because 11043030031 - 2¹ = 11043030029 is a prime.

It is a super-2 number, since 2×11043030031² (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 = 11043029987 and 11043030014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043030041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338830 + ... + 369988.

It is an arithmetic number, because the mean of its divisors is an integer number (528395700).

Almost surely, 2^11043030031 is an apocalyptic number.

11043030031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11043030031 is a deficient number, since it is larger than the sum of its proper divisors (1638466769).

11043030031 is a wasteful number, since it uses less digits than its factorization.

11043030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31311 (or 31300 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11043030031 its reverse (13003034011), we get a palindrome (24046064042).

The spelling of 11043030031 in words is "eleven billion, forty-three million, thirty thousand, thirty-one".