40110031111 has 4 divisors (see below), whose sum is σ = 42221085400. Its totient is φ = 37998976824.

The previous prime is 40110031063. The next prime is 40110031141. The reversal of 40110031111 is 11113001104.

It is a happy number.

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 40110031111 - 2¹³ = 40110022919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40110031091 and 40110031100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40110031141) 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 3 ways as a sum of consecutive naturals, for example, 1055527116 + ... + 1055527153.

It is an arithmetic number, because the mean of its divisors is an integer number (10555271350).

Almost surely, 2^40110031111 is an apocalyptic number.

40110031111 is a deficient number, since it is larger than the sum of its proper divisors (2111054289).

40110031111 is a wasteful number, since it uses less digits than its factorization.

40110031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111054288.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 40110031111 its reverse (11113001104), we get a palindrome (51223032215).

The spelling of 40110031111 in words is "forty billion, one hundred ten million, thirty-one thousand, one hundred eleven".