12310030311 has 4 divisors (see below), whose sum is σ = 16413373752. Its totient is φ = 8206686872.

The previous prime is 12310030267. The next prime is 12310030367. The reversal of 12310030311 is 11303001321.

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 12310030311 - 2³⁰ = 11236288487 is a prime.

It is a super-3 number, since 3×12310030311³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310030111) 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, 2051671716 + ... + 2051671721.

It is an arithmetic number, because the mean of its divisors is an integer number (4103343438).

Almost surely, 2^12310030311 is an apocalyptic number.

12310030311 is a deficient number, since it is larger than the sum of its proper divisors (4103343441).

12310030311 is an equidigital number, since it uses as much as digits as its factorization.

12310030311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103343440.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12310030311 its reverse (11303001321), we get a palindrome (23613031632).

The spelling of 12310030311 in words is "twelve billion, three hundred ten million, thirty thousand, three hundred eleven".