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101231313 = 3163207017
BaseRepresentation
bin1100000100010…
…10101011010001
321001111002020220
412002022223101
5201403400223
614013423253
72336311011
oct602125321
9231432226
10101231313
1152162647
1229a9ab29
1317c850b1
14d631c41
158d496e3
hex608aad1

101231313 has 8 divisors (see below), whose sum is σ = 135803808. Its totient is φ = 67073184.

The previous prime is 101231293. The next prime is 101231321. The reversal of 101231313 is 313132101.

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

It is not a de Polignac number, because 101231313 - 28 = 101231057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101231292 and 101231301.

It is not an unprimeable number, because it can be changed into a prime (101231323) 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 7 ways as a sum of consecutive naturals, for example, 103020 + ... + 103997.

It is an arithmetic number, because the mean of its divisors is an integer number (16975476).

Almost surely, 2101231313 is an apocalyptic number.

It is an amenable number.

101231313 is a deficient number, since it is larger than the sum of its proper divisors (34572495).

101231313 is a wasteful number, since it uses less digits than its factorization.

101231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207183.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 101231313 is about 10061.3772914050. The cubic root of 101231313 is about 466.0562001269.

Adding to 101231313 its reverse (313132101), we get a palindrome (414363414).

The spelling of 101231313 in words is "one hundred one million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 3 163 489 207017 621051 33743771 101231313