11311030220323 has 4 divisors (see below), whose sum is σ = 11906347600360. Its totient is φ = 10715712840288.

The previous prime is 11311030220309. The next prime is 11311030220333. The reversal of 11311030220323 is 32302203011311.

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 11311030220323 - 2²⁹ = 11310493349411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11311030220294 and 11311030220303.

It is not an unprimeable number, because it can be changed into a prime (11311030220333) 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, 297658689990 + ... + 297658690027.

It is an arithmetic number, because the mean of its divisors is an integer number (2976586900090).

Almost surely, 2^{11311030220323} is an apocalyptic number.

11311030220323 is a deficient number, since it is larger than the sum of its proper divisors (595317380037).

11311030220323 is an equidigital number, since it uses as much as digits as its factorization.

11311030220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595317380036.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11311030220323 its reverse (32302203011311), we get a palindrome (43613233231634).

The spelling of 11311030220323 in words is "eleven trillion, three hundred eleven billion, thirty million, two hundred twenty thousand, three hundred twenty-three".