12301231312311 has 4 divisors (see below), whose sum is σ = 16401641749752. Its totient is φ = 8200820874872.

The previous prime is 12301231312303. The next prime is 12301231312313. The reversal of 12301231312311 is 11321313210321.

12301231312311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12301231312311 - 2³ = 12301231312303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301231312313) 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, 2050205218716 + ... + 2050205218721.

It is an arithmetic number, because the mean of its divisors is an integer number (4100410437438).

Almost surely, 2^{12301231312311} is an apocalyptic number.

12301231312311 is a deficient number, since it is larger than the sum of its proper divisors (4100410437441).

12301231312311 is an equidigital number, since it uses as much as digits as its factorization.

12301231312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100410437440.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12301231312311 its reverse (11321313210321), we get a palindrome (23622544522632).

The spelling of 12301231312311 in words is "twelve trillion, three hundred one billion, two hundred thirty-one million, three hundred twelve thousand, three hundred eleven".