Search a number
-
+
22313032231 = 719716180589
BaseRepresentation
bin10100110001111101…
…011101101000100111
32010121000220110222011
4110301331131220213
5331144114012411
614130033415051
71416636434050
oct246175355047
963530813864
1022313032231
119510141406
1243a870a487
132147963869
141119587727
158a8d63c21
hex531f5da27

22313032231 has 8 divisors (see below), whose sum is σ = 25630054560. Its totient is φ = 19028371488.

The previous prime is 22313032229. The next prime is 22313032237. The reversal of 22313032231 is 13223031322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22313032231 - 21 = 22313032229 is a prime.

It is a super-3 number, since 3×223130322313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313032237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8088916 + ... + 8091673.

It is an arithmetic number, because the mean of its divisors is an integer number (3203756820).

Almost surely, 222313032231 is an apocalyptic number.

22313032231 is a deficient number, since it is larger than the sum of its proper divisors (3317022329).

22313032231 is a wasteful number, since it uses less digits than its factorization.

22313032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16180793.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22313032231 its reverse (13223031322), we get a palindrome (35536063553).

Subtracting from 22313032231 its reverse (13223031322), we obtain a palindrome (9090000909).

The spelling of 22313032231 in words is "twenty-two billion, three hundred thirteen million, thirty-two thousand, two hundred thirty-one".

Divisors: 1 7 197 1379 16180589 113264123 3187576033 22313032231