12003030311 has 4 divisors (see below), whose sum is σ = 12074904912. Its totient is φ = 11931155712.

The previous prime is 12003030293. The next prime is 12003030323. The reversal of 12003030311 is 11303030021.

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 12003030311 - 2¹⁴ = 12003013927 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 (12003030211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35937050 + ... + 35937383.

It is an arithmetic number, because the mean of its divisors is an integer number (3018726228).

Almost surely, 2^12003030311 is an apocalyptic number.

12003030311 is a deficient number, since it is larger than the sum of its proper divisors (71874601).

12003030311 is an equidigital number, since it uses as much as digits as its factorization.

12003030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71874600.

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

Adding to 12003030311 its reverse (11303030021), we get a palindrome (23306060332).

The spelling of 12003030311 in words is "twelve billion, three million, thirty thousand, three hundred eleven".