31222320002219 has 2 divisors, whose sum is σ = 31222320002220. Its totient is φ = 31222320002218.

The previous prime is 31222320002183. The next prime is 31222320002327. The reversal of 31222320002219 is 91220002322213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31222320002219 is a prime.

It is a super-2 number, since 2×31222320002219² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31222320002191 and 31222320002200.

It is not a weakly prime, because it can be changed into another prime (31222320052219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611160001109 + 15611160001110.

It is an arithmetic number, because the mean of its divisors is an integer number (15611160001110).

Almost surely, 2^{31222320002219} is an apocalyptic number.

31222320002219 is a deficient number, since it is larger than the sum of its proper divisors (1).

31222320002219 is an equidigital number, since it uses as much as digits as its factorization.

31222320002219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 31222320002219 in words is "thirty-one trillion, two hundred twenty-two billion, three hundred twenty million, two thousand, two hundred nineteen".