Search a number
-
+
22031130213 = 3267101336067
BaseRepresentation
bin10100100001001010…
…000101111001100101
32002212101110101002200
4110201022011321211
5330104432131323
614042043325113
71406644342221
oct244112057145
962771411080
1022031130213
119385aa9234
12432a220799
132101431531
1410cdd65781
1588e22c443
hex521285e65

22031130213 has 24 divisors (see below), whose sum is σ = 32330489568. Its totient is φ = 14453521632.

The previous prime is 22031130193. The next prime is 22031130241. The reversal of 22031130213 is 31203113022.

It is not a de Polignac number, because 22031130213 - 25 = 22031130181 is a prime.

It is a super-2 number, since 2×220311302132 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031130013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592806 + ... + 628872.

It is an arithmetic number, because the mean of its divisors is an integer number (1347103732).

Almost surely, 222031130213 is an apocalyptic number.

It is an amenable number.

22031130213 is a deficient number, since it is larger than the sum of its proper divisors (10299359355).

22031130213 is a wasteful number, since it uses less digits than its factorization.

22031130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37153 (or 37150 counting only the distinct ones).

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

Adding to 22031130213 its reverse (31203113022), we get a palindrome (53234243235).

The spelling of 22031130213 in words is "twenty-two billion, thirty-one million, one hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 9 67 201 603 1013 3039 9117 36067 67871 108201 203613 324603 610839 2416489 7249467 21748401 36535871 109607613 328822839 2447903357 7343710071 22031130213