40031233471 has 2 divisors, whose sum is σ = 40031233472. Its totient is φ = 40031233470.

The previous prime is 40031233433. The next prime is 40031233523. The reversal of 40031233471 is 17433213004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40031233471 is a prime.

It is a super-3 number, since 3×40031233471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40031236471) 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 as a sum of consecutive naturals, namely, 20015616735 + 20015616736.

It is an arithmetic number, because the mean of its divisors is an integer number (20015616736).

Almost surely, 2^40031233471 is an apocalyptic number.

40031233471 is a deficient number, since it is larger than the sum of its proper divisors (1).

40031233471 is an equidigital number, since it uses as much as digits as its factorization.

40031233471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 40031233471 its reverse (17433213004), we get a palindrome (57464446475).

The spelling of 40031233471 in words is "forty billion, thirty-one million, two hundred thirty-three thousand, four hundred seventy-one".