30120003311 has 4 divisors (see below), whose sum is σ = 30182884800. Its totient is φ = 30057121824.

The previous prime is 30120003301. The next prime is 30120003323. The reversal of 30120003311 is 11330002103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30120003311 - 2⁶ = 30120003247 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 (30120003301) 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 3 ways as a sum of consecutive naturals, for example, 31440026 + ... + 31440983.

It is an arithmetic number, because the mean of its divisors is an integer number (7545721200).

Almost surely, 2^30120003311 is an apocalyptic number.

30120003311 is a deficient number, since it is larger than the sum of its proper divisors (62881489).

30120003311 is an equidigital number, since it uses as much as digits as its factorization.

30120003311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62881488.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30120003311 its reverse (11330002103), we get a palindrome (41450005414).

The spelling of 30120003311 in words is "thirty billion, one hundred twenty million, three thousand, three hundred eleven".