40311212203 has 2 divisors, whose sum is σ = 40311212204. Its totient is φ = 40311212202.

The previous prime is 40311212191. The next prime is 40311212233. The reversal of 40311212203 is 30221211304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40311212203 - 2⁹ = 40311211691 is a prime.

It is a super-2 number, since 2×40311212203² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40311212233) 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, 20155606101 + 20155606102.

It is an arithmetic number, because the mean of its divisors is an integer number (20155606102).

Almost surely, 2^40311212203 is an apocalyptic number.

40311212203 is a deficient number, since it is larger than the sum of its proper divisors (1).

40311212203 is an equidigital number, since it uses as much as digits as its factorization.

40311212203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 40311212203 its reverse (30221211304), we get a palindrome (70532423507).

The spelling of 40311212203 in words is "forty billion, three hundred eleven million, two hundred twelve thousand, two hundred three".