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111312310223 = 1033967272423
BaseRepresentation
bin110011110101010111…
…0110000111111001111
3101122022112202020120102
41213222232300333033
53310431422411343
6123045225041315
711020265011532
oct1475256607717
9348275666512
10111312310223
1143230996214
12196a632623b
13a65c35512a
14555d5caa19
152d6741a3b8
hex19eabb0fcf

111312310223 has 8 divisors (see below), whose sum is σ = 112421756928. Its totient is φ = 110203416504.

The previous prime is 111312310183. The next prime is 111312310243. The reversal of 111312310223 is 322013213111.

It is a happy number.

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-111312310223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111312310195 and 111312310204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312310243) 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, 272390 + ... + 544812.

It is an arithmetic number, because the mean of its divisors is an integer number (14052719616).

Almost surely, 2111312310223 is an apocalyptic number.

111312310223 is a deficient number, since it is larger than the sum of its proper divisors (1109446705).

111312310223 is a wasteful number, since it uses less digits than its factorization.

111312310223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276493.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111312310223 its reverse (322013213111), we get a palindrome (433325523334).

The spelling of 111312310223 in words is "one hundred eleven billion, three hundred twelve million, three hundred ten thousand, two hundred twenty-three".

Divisors: 1 103 3967 272423 408601 28059569 1080702041 111312310223