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223313113231 = 13194991811827
BaseRepresentation
bin1100111111111001111…
…1111011000010001111
3210100102002000112200121
43033332133323002033
512124321124110411
6250331051005411
722063623100105
oct3177637730217
9710362015617
10223313113231
118678548122a
1237343139867
131809b21aa30
14ab463d7c75
155c1eed3571
hex33fe7fb08f

223313113231 has 16 divisors (see below), whose sum is σ = 253655920000. Its totient is φ = 194894499168.

The previous prime is 223313113229. The next prime is 223313113237. The reversal of 223313113231 is 132311313322.

It is a cyclic number.

It is not a de Polignac number, because 223313113231 - 21 = 223313113229 is a prime.

It is a super-2 number, since 2×2233131132312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223313113196 and 223313113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223313113237) 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, 782661 + ... + 1029166.

It is an arithmetic number, because the mean of its divisors is an integer number (15853495000).

Almost surely, 2223313113231 is an apocalyptic number.

223313113231 is a deficient number, since it is larger than the sum of its proper divisors (30342806769).

223313113231 is a wasteful number, since it uses less digits than its factorization.

223313113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812358.

The product of its digits is 1944, while the sum is 25.

Adding to 223313113231 its reverse (132311313322), we get a palindrome (355624426553).

The spelling of 223313113231 in words is "two hundred twenty-three billion, three hundred thirteen million, one hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 13 19 247 499 6487 9481 123253 1811827 23553751 34424713 447521269 904101673 11753321749 17177931787 223313113231