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1317310223 = 19379192039
BaseRepresentation
bin100111010000100…
…1000111100001111
310101210202021220112
41032201020330033
510144212411343
6334414310235
744433644405
oct11641107417
93353667815
101317310223
11616650739
123091b837b
1317cbb9008
14c6d49475
157a9ae218
hex4e848f0f

1317310223 has 16 divisors (see below), whose sum is σ = 1426368000. Its totient is φ = 1212332832.

The previous prime is 1317310213. The next prime is 1317310231. The reversal of 1317310223 is 3220137131.

It is a cyclic number.

It is not a de Polignac number, because 1317310223 - 28 = 1317309967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317310213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645038 + ... + 647076.

It is an arithmetic number, because the mean of its divisors is an integer number (89148000).

Almost surely, 21317310223 is an apocalyptic number.

1317310223 is a deficient number, since it is larger than the sum of its proper divisors (109057777).

1317310223 is a wasteful number, since it uses less digits than its factorization.

1317310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1317310223 is about 36294.7685348729. The cubic root of 1317310223 is about 1096.2157075275.

Adding to 1317310223 its reverse (3220137131), we get a palindrome (4537447354).

The spelling of 1317310223 in words is "one billion, three hundred seventeen million, three hundred ten thousand, two hundred twenty-three".

Divisors: 1 19 37 703 919 2039 17461 34003 38741 75443 646057 1433417 1873841 35602979 69332117 1317310223