311230113320123 has 4 divisors (see below), whose sum is σ = 311241525841008. Its totient is φ = 311218700799240.

The previous prime is 311230113320111. The next prime is 311230113320153. The reversal of 311230113320123 is 321023311032113.

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 311230113320123 - 2⁴ = 311230113320107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311230113320092 and 311230113320101.

It is not an unprimeable number, because it can be changed into a prime (311230113320153) 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, 5706219536 + ... + 5706274077.

It is an arithmetic number, because the mean of its divisors is an integer number (77810381460252).

Almost surely, 2^{311230113320123} is an apocalyptic number.

311230113320123 is a deficient number, since it is larger than the sum of its proper divisors (11412520885).

311230113320123 is a wasteful number, since it uses less digits than its factorization.

311230113320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11412520884.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 311230113320123 its reverse (321023311032113), we get a palindrome (632253424352236).

The spelling of 311230113320123 in words is "three hundred eleven trillion, two hundred thirty billion, one hundred thirteen million, three hundred twenty thousand, one hundred twenty-three".