30120311311 has 8 divisors (see below), whose sum is σ = 30524296320. Its totient is φ = 29717304792.

The previous prime is 30120311297. The next prime is 30120311341. The reversal of 30120311311 is 11311302103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30120311311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120311341) 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 in 7 ways as a sum of consecutive naturals, for example, 182541 + ... + 305878.

It is an arithmetic number, because the mean of its divisors is an integer number (3815537040).

Almost surely, 2^30120311311 is an apocalyptic number.

30120311311 is a deficient number, since it is larger than the sum of its proper divisors (403985009).

30120311311 is an equidigital number, since it uses as much as digits as its factorization.

30120311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489245.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30120311311 its reverse (11311302103), we get a palindrome (41431613414).

The spelling of 30120311311 in words is "thirty billion, one hundred twenty million, three hundred eleven thousand, three hundred eleven".