30120002311 has 8 divisors (see below), whose sum is σ = 35155261440. Its totient is φ = 25267843608.

The previous prime is 30120002303. The next prime is 30120002333. The reversal of 30120002311 is 11320002103.

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

It is not a de Polignac number, because 30120002311 - 2³ = 30120002303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30120002291 and 30120002300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120002351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45774751 + ... + 45775408.

It is an arithmetic number, because the mean of its divisors is an integer number (4394407680).

Almost surely, 2^30120002311 is an apocalyptic number.

30120002311 is a deficient number, since it is larger than the sum of its proper divisors (5035259129).

30120002311 is an equidigital number, since it uses as much as digits as its factorization.

30120002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91550213.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30120002311 its reverse (11320002103), we get a palindrome (41440004414).

The spelling of 30120002311 in words is "thirty billion, one hundred twenty million, two thousand, three hundred eleven".