40311213071 has 2 divisors, whose sum is σ = 40311213072. Its totient is φ = 40311213070.

The previous prime is 40311213049. The next prime is 40311213119. The reversal of 40311213071 is 17031211304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40311213071 - 2¹⁴ = 40311196687 is a prime.

It is a super-2 number, since 2×40311213071² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40311213011) 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, 20155606535 + 20155606536.

It is an arithmetic number, because the mean of its divisors is an integer number (20155606536).

Almost surely, 2^40311213071 is an apocalyptic number.

40311213071 is a deficient number, since it is larger than the sum of its proper divisors (1).

40311213071 is an equidigital number, since it uses as much as digits as its factorization.

40311213071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 40311213071 its reverse (17031211304), we get a palindrome (57342424375).

The spelling of 40311213071 in words is "forty billion, three hundred eleven million, two hundred thirteen thousand, seventy-one".