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101331223 = 714475889
BaseRepresentation
bin1100000101000…
…11000100010111
321001200011022021
412002203010113
5201420044343
614015514011
72340205210
oct602430427
9231604267
10101331223
1152220714
1229b28907
1317cbb706
14d65a407
158d690ed
hex60a3117

101331223 has 4 divisors (see below), whose sum is σ = 115807120. Its totient is φ = 86855328.

The previous prime is 101331193. The next prime is 101331229. The reversal of 101331223 is 322133101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101331223 - 29 = 101330711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101331197 and 101331206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101331229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7237938 + ... + 7237951.

It is an arithmetic number, because the mean of its divisors is an integer number (28951780).

Almost surely, 2101331223 is an apocalyptic number.

101331223 is a deficient number, since it is larger than the sum of its proper divisors (14475897).

101331223 is an equidigital number, since it uses as much as digits as its factorization.

101331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14475896.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 101331223 is about 10066.3410929692. The cubic root of 101331223 is about 466.2094740608.

Adding to 101331223 its reverse (322133101), we get a palindrome (423464324).

The spelling of 101331223 in words is "one hundred one million, three hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 7 14475889 101331223