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23220022002231 = 312778893681557
BaseRepresentation
bin1010100011110010101010…
…01010011100001000110111
310001012210221020221120020110
411101321111022130020313
511020414101113032411
6121215044132434103
74614406535315235
oct521712512341067
9101183836846213
1023220022002231
11744261309159a
122730242478933
13cc583c2422b2
145a3bd8407955
152a40156b42a6
hex151e5529c237

23220022002231 has 16 divisors (see below), whose sum is σ = 30987803267424. Its totient is φ = 15466130469504.

The previous prime is 23220022002223. The next prime is 23220022002239. The reversal of 23220022002231 is 13220022002232.

It is an interprime number because it is at equal distance from previous prime (23220022002223) and next prime (23220022002239).

It is not a de Polignac number, because 23220022002231 - 23 = 23220022002223 is a prime.

It is a super-3 number, since 3×232200220022313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 23220022002198 and 23220022002207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220022002239) 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, 33728305 + ... + 34409861.

It is an arithmetic number, because the mean of its divisors is an integer number (1936737704214).

Almost surely, 223220022002231 is an apocalyptic number.

23220022002231 is a deficient number, since it is larger than the sum of its proper divisors (7767781265193).

23220022002231 is a wasteful number, since it uses less digits than its factorization.

23220022002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691730.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23220022002231 its reverse (13220022002232), we get a palindrome (36440044004463).

Subtracting from 23220022002231 its reverse (13220022002232), we obtain a palindrome (9999999999999).

The spelling of 23220022002231 in words is "twenty-three trillion, two hundred twenty billion, twenty-two million, two thousand, two hundred thirty-one".

Divisors: 1 3 1277 3831 8893 26679 681557 2044671 11356361 34069083 870348289 2611044867 6061086401 18183259203 7740007334077 23220022002231