23311202220313 has 4 divisors (see below), whose sum is σ = 26641373966080. Its totient is φ = 19981030474548.

The previous prime is 23311202220289. The next prime is 23311202220329. The reversal of 23311202220313 is 31302220211332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23311202220313 - 2¹³ = 23311202212121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311202220013) 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, 1665085872873 + ... + 1665085872886.

It is an arithmetic number, because the mean of its divisors is an integer number (6660343491520).

Almost surely, 2^{23311202220313} is an apocalyptic number.

It is an amenable number.

23311202220313 is a deficient number, since it is larger than the sum of its proper divisors (3330171745767).

23311202220313 is an equidigital number, since it uses as much as digits as its factorization.

23311202220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330171745766.

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

Adding to 23311202220313 its reverse (31302220211332), we get a palindrome (54613422431645).

The spelling of 23311202220313 in words is "twenty-three trillion, three hundred eleven billion, two hundred two million, two hundred twenty thousand, three hundred thirteen".