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11223223313 = 23487966231
BaseRepresentation
bin10100111001111010…
…01100110000010001
31001222011110211001112
422130331030300101
5140441121121223
65053400343105
7545056552451
oct123475146021
931864424045
1011223223313
11483a242875
122212774a95
13109b253253
147867b9d61
1545a484778
hex29cf4cc11

11223223313 has 4 divisors (see below), whose sum is σ = 11711189568. Its totient is φ = 10735257060.

The previous prime is 11223223309. The next prime is 11223223321. The reversal of 11223223313 is 31332232211.

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 11223223313 - 22 = 11223223309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 487966231 = 11223223313 / (1 + 1 + 2 + 2 + 3 + 2 + 2 + 3 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223223303) 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, 243983093 + ... + 243983138.

It is an arithmetic number, because the mean of its divisors is an integer number (2927797392).

Almost surely, 211223223313 is an apocalyptic number.

It is an amenable number.

11223223313 is a deficient number, since it is larger than the sum of its proper divisors (487966255).

11223223313 is an equidigital number, since it uses as much as digits as its factorization.

11223223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487966254.

The product of its digits is 1296, while the sum is 23.

Adding to 11223223313 its reverse (31332232211), we get a palindrome (42555455524).

The spelling of 11223223313 in words is "eleven billion, two hundred twenty-three million, two hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 23 487966231 11223223313