40346031211 has 2 divisors, whose sum is σ = 40346031212. Its totient is φ = 40346031210.

The previous prime is 40346031199. The next prime is 40346031227. The reversal of 40346031211 is 11213064304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40346031211 - 2¹³ = 40346023019 is a prime.

It is a super-2 number, since 2×40346031211² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40346061211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20173015605 + 20173015606.

It is an arithmetic number, because the mean of its divisors is an integer number (20173015606).

Almost surely, 2^40346031211 is an apocalyptic number.

40346031211 is a deficient number, since it is larger than the sum of its proper divisors (1).

40346031211 is an equidigital number, since it uses as much as digits as its factorization.

40346031211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 40346031211 its reverse (11213064304), we get a palindrome (51559095515).

The spelling of 40346031211 in words is "forty billion, three hundred forty-six million, thirty-one thousand, two hundred eleven".