40311112 has 16 divisors (see below), whose sum is σ = 76129200. Its totient is φ = 20010000.

The previous prime is 40311109. The next prime is 40311113. The reversal of 40311112 is 21111304.

It is a junction number, because it is equal to n+sod(n) for n = 40311092 and 40311101.

It is not an unprimeable number, because it can be changed into a prime (40311113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17014 + ... + 19237.

It is an arithmetic number, because the mean of its divisors is an integer number (4758075).

Almost surely, 2^40311112 is an apocalyptic number.

It is an amenable number.

40311112 is a deficient number, since it is larger than the sum of its proper divisors (35818088).

40311112 is a wasteful number, since it uses less digits than its factorization.

40311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36396 (or 36392 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 40311112 is about 6349.1032437660. The cubic root of 40311112 is about 342.8795571986.

Adding to 40311112 its reverse (21111304), we get a palindrome (61422416).

The spelling of 40311112 in words is "forty million, three hundred eleven thousand, one hundred twelve".