30320311219 has 4 divisors (see below), whose sum is σ = 33076703160. Its totient is φ = 27563919280.

The previous prime is 30320311211. The next prime is 30320311261. The reversal of 30320311219 is 91211302303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91211302303 = 11 ⋅8291936573.

It is a cyclic number.

It is not a de Polignac number, because 30320311219 - 2³ = 30320311211 is a prime.

It is a super-2 number, since 2×30320311219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30320311193 and 30320311202.

It is not an unprimeable number, because it can be changed into a prime (30320311211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378195954 + ... + 1378195975.

It is an arithmetic number, because the mean of its divisors is an integer number (8269175790).

Almost surely, 2^30320311219 is an apocalyptic number.

30320311219 is a deficient number, since it is larger than the sum of its proper divisors (2756391941).

30320311219 is a wasteful number, since it uses less digits than its factorization.

30320311219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756391940.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 30320311219 in words is "thirty billion, three hundred twenty million, three hundred eleven thousand, two hundred nineteen".