Search a number
-
+
2213321311 = 4123153681
BaseRepresentation
bin1000001111101100…
…1001101001011111
312201020202101001101
42003323021221133
514013102240221
61003343053531
7105563630545
oct20373115137
95636671041
102213321311
11a363a9073
125192a12a7
13293716ba6
1416dd47d95
15ce49dd91
hex83ec9a5f

2213321311 has 4 divisors (see below), whose sum is σ = 2213416224. Its totient is φ = 2213226400.

The previous prime is 2213321261. The next prime is 2213321317. The reversal of 2213321311 is 1131233122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2213321311 - 215 = 2213288543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213321317) 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, 14391 + ... + 68071.

It is an arithmetic number, because the mean of its divisors is an integer number (553354056).

Almost surely, 22213321311 is an apocalyptic number.

2213321311 is a deficient number, since it is larger than the sum of its proper divisors (94913).

2213321311 is an equidigital number, since it uses as much as digits as its factorization.

2213321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94912.

The product of its digits is 216, while the sum is 19.

The square root of 2213321311 is about 47045.9489329315. The cubic root of 2213321311 is about 1303.2112545321.

Adding to 2213321311 its reverse (1131233122), we get a palindrome (3344554433).

The spelling of 2213321311 in words is "two billion, two hundred thirteen million, three hundred twenty-one thousand, three hundred eleven".

Divisors: 1 41231 53681 2213321311