311440102332223 has 4 divisors (see below), whose sum is σ = 317316330678168. Its totient is φ = 305563873986280.

The previous prime is 311440102332217. The next prime is 311440102332277. The reversal of 311440102332223 is 322233201044113.

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 311440102332223 - 2⁴⁵ = 276255730243391 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 (311440102312223) 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, 2938114172893 + ... + 2938114172998.

It is an arithmetic number, because the mean of its divisors is an integer number (79329082669542).

Almost surely, 2^{311440102332223} is an apocalyptic number.

311440102332223 is a deficient number, since it is larger than the sum of its proper divisors (5876228345945).

311440102332223 is an equidigital number, since it uses as much as digits as its factorization.

311440102332223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876228345944.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 311440102332223 its reverse (322233201044113), we get a palindrome (633673303376336).

The spelling of 311440102332223 in words is "three hundred eleven trillion, four hundred forty billion, one hundred two million, three hundred thirty-two thousand, two hundred twenty-three".