11023220331 has 6 divisors (see below), whose sum is σ = 15922429380. Its totient is φ = 7348813548.

The previous prime is 11023220321. The next prime is 11023220389. The reversal of 11023220331 is 13302232011.

11023220331 is a `hidden beast` number, since 1 + 10 + 2 + 322 + 0 + 331 = 666.

11023220331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11023220331 - 2⁶ = 11023220267 is a prime.

It is a super-2 number, since 2×11023220331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11023220311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612401121 + ... + 612401138.

It is an arithmetic number, because the mean of its divisors is an integer number (2653738230).

Almost surely, 2^11023220331 is an apocalyptic number.

11023220331 is a deficient number, since it is larger than the sum of its proper divisors (4899209049).

11023220331 is a wasteful number, since it uses less digits than its factorization.

11023220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224802265 (or 1224802262 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11023220331 its reverse (13302232011), we get a palindrome (24325452342).

The spelling of 11023220331 in words is "eleven billion, twenty-three million, two hundred twenty thousand, three hundred thirty-one".