312311230002311 has 4 divisors (see below), whose sum is σ = 313237969557552. Its totient is φ = 311384490447072.

The previous prime is 312311230002283. The next prime is 312311230002341. The reversal of 312311230002311 is 113200032113213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312311230002311 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 (312311230002341) 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, 463369777115 + ... + 463369777788.

It is an arithmetic number, because the mean of its divisors is an integer number (78309492389388).

Almost surely, 2^{312311230002311} is an apocalyptic number.

312311230002311 is a deficient number, since it is larger than the sum of its proper divisors (926739555241).

312311230002311 is an equidigital number, since it uses as much as digits as its factorization.

312311230002311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926739555240.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 312311230002311 its reverse (113200032113213), we get a palindrome (425511262115524).

The spelling of 312311230002311 in words is "three hundred twelve trillion, three hundred eleven billion, two hundred thirty million, two thousand, three hundred eleven".