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111223230222031 = 4571214920032667
BaseRepresentation
bin11001010010100000101101…
…001000001100111011001111
3112120210211121011000102221021
4121102200231020030323033
5104034240133414101111
61032315125132415011
732266420221041464
oct3122405510147317
9476724534012837
10111223230222031
1132491563970994
1210583982917467
134a0a3c8554675
141d6733976566b
15ccd288a36d71
hex65282d20cecf

111223230222031 has 8 divisors (see below), whose sum is σ = 111475787619600. Its totient is φ = 110970712915008.

The previous prime is 111223230221993. The next prime is 111223230222101. The reversal of 111223230222031 is 130222032322111.

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-111223230222031 is a prime.

It is a super-2 number, since 2×1112232302220312 (a number of 29 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 = 111223230221987 and 111223230222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223230222331) 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, 4464241 + ... + 15568426.

It is an arithmetic number, because the mean of its divisors is an integer number (13934473452450).

Almost surely, 2111223230222031 is an apocalyptic number.

111223230222031 is a deficient number, since it is larger than the sum of its proper divisors (252557397569).

111223230222031 is a wasteful number, since it uses less digits than its factorization.

111223230222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20045273.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 111223230222031 its reverse (130222032322111), we get a palindrome (241445262544142).

The spelling of 111223230222031 in words is "one hundred eleven trillion, two hundred twenty-three billion, two hundred thirty million, two hundred twenty-two thousand, thirty-one".

Divisors: 1 457 12149 5552093 20032667 9154928819 243376871383 111223230222031