30321310511 has 2 divisors, whose sum is σ = 30321310512. Its totient is φ = 30321310510.

The previous prime is 30321310507. The next prime is 30321310529. The reversal of 30321310511 is 11501312303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30321310511 - 2² = 30321310507 is a prime.

It is a super-2 number, since 2×30321310511² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30321310561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160655255 + 15160655256.

It is an arithmetic number, because the mean of its divisors is an integer number (15160655256).

Almost surely, 2^30321310511 is an apocalyptic number.

30321310511 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321310511 is an equidigital number, since it uses as much as digits as its factorization.

30321310511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 30321310511 its reverse (11501312303), we get a palindrome (41822622814).

The spelling of 30321310511 in words is "thirty billion, three hundred twenty-one million, three hundred ten thousand, five hundred eleven".