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223211012323231 = 530954497715891
BaseRepresentation
bin110010110000001001011101…
…000110010111011110011111
31002021022202122020021111201001
4302300021131012113132133
5213224042123123320411
62110421420133331131
765005314652630252
oct6260113506273637
91067282566244631
10223211012323231
11651382933a2739
122104b958496aa7
139771928a4246a
143d19683617099
151ac136d7b3dc1
hexcb025d19779f

223211012323231 has 8 divisors (see below), whose sum is σ = 223294056534000. Its totient is φ = 223127983565760.

The previous prime is 223211012323213. The next prime is 223211012323279. The reversal of 223211012323231 is 132323210112322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-223211012323231 is a prime.

It is a super-3 number, since 3×2232110123232313 (a number of 44 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 self number, because there is not a number n which added to its sum of digits gives 223211012323231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223211012323331) 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, 25070796 + ... + 32786686.

It is an arithmetic number, because the mean of its divisors is an integer number (27911757066750).

Almost surely, 2223211012323231 is an apocalyptic number.

223211012323231 is a deficient number, since it is larger than the sum of its proper divisors (83044210769).

223211012323231 is an equidigital number, since it uses as much as digits as its factorization.

223211012323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726649.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 223211012323231 its reverse (132323210112322), we get a palindrome (355534222435553).

The spelling of 223211012323231 in words is "two hundred twenty-three trillion, two hundred eleven billion, twelve million, three hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 5309 5449 7715891 28928741 40963665319 42043890059 223211012323231