30311030219 has 2 divisors, whose sum is σ = 30311030220. Its totient is φ = 30311030218.

The previous prime is 30311030153. The next prime is 30311030273. The reversal of 30311030219 is 91203011303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30311030219 - 2⁸ = 30311029963 is a prime.

It is a super-2 number, since 2×30311030219² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 30311030194 and 30311030203.

It is not a weakly prime, because it can be changed into another prime (30311030119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155515109 + 15155515110.

It is an arithmetic number, because the mean of its divisors is an integer number (15155515110).

Almost surely, 2^30311030219 is an apocalyptic number.

30311030219 is a deficient number, since it is larger than the sum of its proper divisors (1).

30311030219 is an equidigital number, since it uses as much as digits as its factorization.

30311030219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 30311030219 in words is "thirty billion, three hundred eleven million, thirty thousand, two hundred nineteen".