20310011219 has 2 divisors, whose sum is σ = 20310011220. Its totient is φ = 20310011218.

The previous prime is 20310011213. The next prime is 20310011233. The reversal of 20310011219 is 91211001302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20310011219 - 2²⁰ = 20308962643 is a prime.

It is a super-2 number, since 2×20310011219² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20310011219.

It is not a weakly prime, because it can be changed into another prime (20310011213) 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, 10155005609 + 10155005610.

It is an arithmetic number, because the mean of its divisors is an integer number (10155005610).

Almost surely, 2^20310011219 is an apocalyptic number.

20310011219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310011219 is an equidigital number, since it uses as much as digits as its factorization.

20310011219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 20310011219 in words is "twenty billion, three hundred ten million, eleven thousand, two hundred nineteen".