40144031 has 2 divisors, whose sum is σ = 40144032. Its totient is φ = 40144030.

The previous prime is 40144019. The next prime is 40144037. The reversal of 40144031 is 13044104.

40144031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40144031 - 2⁶ = 40143967 is a prime.

It is a super-2 number, since 2×40144031² = 3223086449857922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40144037) 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 as a sum of consecutive naturals, namely, 20072015 + 20072016.

It is an arithmetic number, because the mean of its divisors is an integer number (20072016).

Almost surely, 2^40144031 is an apocalyptic number.

40144031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40144031 is an equidigital number, since it uses as much as digits as its factorization.

40144031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40144031 is about 6335.9317389000. The cubic root of 40144031 is about 342.4051802094.

Adding to 40144031 its reverse (13044104), we get a palindrome (53188135).

The spelling of 40144031 in words is "forty million, one hundred forty-four thousand, thirty-one".