311242103323 has 4 divisors (see below), whose sum is σ = 329550462360. Its totient is φ = 292933744288.

The previous prime is 311242103311. The next prime is 311242103339. The reversal of 311242103323 is 323301242113.

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 311242103323 - 2⁹ = 311242102811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311242103353) 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, 9154179493 + ... + 9154179526.

It is an arithmetic number, because the mean of its divisors is an integer number (82387615590).

Almost surely, 2^311242103323 is an apocalyptic number.

311242103323 is a deficient number, since it is larger than the sum of its proper divisors (18308359037).

311242103323 is a wasteful number, since it uses less digits than its factorization.

311242103323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18308359036.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 311242103323 its reverse (323301242113), we get a palindrome (634543345436).

The spelling of 311242103323 in words is "three hundred eleven billion, two hundred forty-two million, one hundred three thousand, three hundred twenty-three".