31441040311 has 2 divisors, whose sum is σ = 31441040312. Its totient is φ = 31441040310.

The previous prime is 31441040297. The next prime is 31441040347. The reversal of 31441040311 is 11304014413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31441040311 - 2²³ = 31432651703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31441080311) 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, 15720520155 + 15720520156.

It is an arithmetic number, because the mean of its divisors is an integer number (15720520156).

Almost surely, 2^31441040311 is an apocalyptic number.

31441040311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31441040311 is an equidigital number, since it uses as much as digits as its factorization.

31441040311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31441040311 its reverse (11304014413), we get a palindrome (42745054724).

The spelling of 31441040311 in words is "thirty-one billion, four hundred forty-one million, forty thousand, three hundred eleven".