30320323211 has 2 divisors, whose sum is σ = 30320323212. Its totient is φ = 30320323210.

The previous prime is 30320323193. The next prime is 30320323247. The reversal of 30320323211 is 11232302303.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30320323211 is a prime.

It is not a weakly prime, because it can be changed into another prime (30320323811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160161605 + 15160161606.

It is an arithmetic number, because the mean of its divisors is an integer number (15160161606).

Almost surely, 2^30320323211 is an apocalyptic number.

30320323211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30320323211 is an equidigital number, since it uses as much as digits as its factorization.

30320323211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30320323211 its reverse (11232302303), we get a palindrome (41552625514).

The spelling of 30320323211 in words is "thirty billion, three hundred twenty million, three hundred twenty-three thousand, two hundred eleven".