40031033 has 8 divisors (see below), whose sum is σ = 45836352. Its totient is φ = 34247376.

The previous prime is 40031029. The next prime is 40031051. The reversal of 40031033 is 33013004.

It is a happy number.

40031033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40031033 - 2² = 40031029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40030999 and 40031017.

It is not an unprimeable number, because it can be changed into a prime (40031533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235 + ... + 9032.

It is an arithmetic number, because the mean of its divisors is an integer number (5729544).

Almost surely, 2^40031033 is an apocalyptic number.

It is an amenable number.

40031033 is a deficient number, since it is larger than the sum of its proper divisors (5805319).

40031033 is a wasteful number, since it uses less digits than its factorization.

40031033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10831.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 40031033 is about 6327.0082187397. The cubic root of 40031033 is about 342.0836092791.

Adding to 40031033 its reverse (33013004), we get a palindrome (73044037).

The spelling of 40031033 in words is "forty million, thirty-one thousand, thirty-three".