40312312111 has 2 divisors, whose sum is σ = 40312312112. Its totient is φ = 40312312110.

The previous prime is 40312312067. The next prime is 40312312147. The reversal of 40312312111 is 11121321304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40312312111 - 2⁷ = 40312311983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40312312151) 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, 20156156055 + 20156156056.

It is an arithmetic number, because the mean of its divisors is an integer number (20156156056).

Almost surely, 2^40312312111 is an apocalyptic number.

40312312111 is a deficient number, since it is larger than the sum of its proper divisors (1).

40312312111 is an equidigital number, since it uses as much as digits as its factorization.

40312312111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 40312312111 its reverse (11121321304), we get a palindrome (51433633415).

The spelling of 40312312111 in words is "forty billion, three hundred twelve million, three hundred twelve thousand, one hundred eleven".