20130311219 has 2 divisors, whose sum is σ = 20130311220. Its totient is φ = 20130311218.

The previous prime is 20130311207. The next prime is 20130311233. The reversal of 20130311219 is 91211303102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20130311219 - 2¹² = 20130307123 is a prime.

It is a super-3 number, since 3×20130311219³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 20130311194 and 20130311203.

It is not a weakly prime, because it can be changed into another prime (20130310219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065155609 + 10065155610.

It is an arithmetic number, because the mean of its divisors is an integer number (10065155610).

Almost surely, 2^20130311219 is an apocalyptic number.

20130311219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130311219 is an equidigital number, since it uses as much as digits as its factorization.

20130311219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 20130311219 in words is "twenty billion, one hundred thirty million, three hundred eleven thousand, two hundred nineteen".