31143224424211 has 2 divisors, whose sum is σ = 31143224424212. Its totient is φ = 31143224424210.

The previous prime is 31143224424197. The next prime is 31143224424229. The reversal of 31143224424211 is 11242442234113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31143224424211 - 2¹³ = 31143224416019 is a prime.

It is not a weakly prime, because it can be changed into another prime (31143224424241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15571612212105 + 15571612212106.

It is an arithmetic number, because the mean of its divisors is an integer number (15571612212106).

Almost surely, 2^{31143224424211} is an apocalyptic number.

31143224424211 is a deficient number, since it is larger than the sum of its proper divisors (1).

31143224424211 is an equidigital number, since it uses as much as digits as its factorization.

31143224424211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 34.

Adding to 31143224424211 its reverse (11242442234113), we get a palindrome (42385666658324).

The spelling of 31143224424211 in words is "thirty-one trillion, one hundred forty-three billion, two hundred twenty-four million, four hundred twenty-four thousand, two hundred eleven".