311112123020113 has 8 divisors (see below), whose sum is σ = 313099787313000. Its totient is φ = 309124535416320.

The previous prime is 311112123020081. The next prime is 311112123020131. The reversal of 311112123020113 is 311020321211113.

It can be written as a sum of positive squares in 4 ways, for example, as 144551855712784 + 166560267307329 = 12022972^2 + 12905823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311112123020113 - 2⁵ = 311112123020081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311112123020173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11021728 + ... + 27270913.

It is an arithmetic number, because the mean of its divisors is an integer number (39137473414125).

Almost surely, 2^{311112123020113} is an apocalyptic number.

It is an amenable number.

311112123020113 is a deficient number, since it is larger than the sum of its proper divisors (1987664292887).

311112123020113 is a wasteful number, since it uses less digits than its factorization.

311112123020113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38344547.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 311112123020113 its reverse (311020321211113), we get a palindrome (622132444231226).

The spelling of 311112123020113 in words is "three hundred eleven trillion, one hundred twelve billion, one hundred twenty-three million, twenty thousand, one hundred thirteen".