Search a number
-
+
22023213131 = 163347401971
BaseRepresentation
bin10100100000101011…
…111001000001001011
32002211211120010220102
4110200223321001023
5330100420310011
614041201520015
71406520136313
oct244053710113
962754503812
1022023213131
119381590a97
12432764300b
1320cc8bba7a
1410ccca4443
1588d6b673b
hex520af904b

22023213131 has 16 divisors (see below), whose sum is σ = 22300541568. Its totient is φ = 21748176000.

The previous prime is 22023213077. The next prime is 22023213133. The reversal of 22023213131 is 13131232022.

It is a cyclic number.

It is not a de Polignac number, because 22023213131 - 26 = 22023213067 is a prime.

It is a super-2 number, since 2×220232131312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22023213133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22680476 + ... + 22681446.

It is an arithmetic number, because the mean of its divisors is an integer number (1393783848).

Almost surely, 222023213131 is an apocalyptic number.

22023213131 is a deficient number, since it is larger than the sum of its proper divisors (277328437).

22023213131 is a wasteful number, since it uses less digits than its factorization.

22023213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22023213131 its reverse (13131232022), we get a palindrome (35154445153).

The spelling of 22023213131 in words is "twenty-two billion, twenty-three million, two hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 163 347 401 971 56561 65363 139147 158273 336937 389371 22680961 54920731 63467473 135111737 22023213131