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1320310131100 = 2252192329329833
BaseRepresentation
bin10011001101101000100…
…111011100100110011100
311200012221200110000100221
4103031220213130212130
5133112443343143400
62450313032131124
7164250341641522
oct23155047344634
94605850400327
101320310131100
11469a38715304
12193a75236aa4
1397673b092ac
1447c90b20312
1524527001c1a
hex133689dc99c

1320310131100 has 72 divisors (see below), whose sum is σ = 3016096870640. Its totient is φ = 500289799680.

The previous prime is 1320310131079. The next prime is 1320310131109. The reversal of 1320310131100 is 11310130231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320310131109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44241784 + ... + 44271616.

Almost surely, 21320310131100 is an apocalyptic number.

1320310131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320310131100 is an abundant number, since it is smaller than the sum of its proper divisors (1695786739540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320310131100 is a wasteful number, since it uses less digits than its factorization.

1320310131100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53159 (or 53152 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1320310131100 its reverse (11310130231), we get a palindrome (1331620261331).

The spelling of 1320310131100 in words is "one trillion, three hundred twenty billion, three hundred ten million, one hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 23293 29833 46586 59666 93172 116465 119332 149165 232930 298330 442567 465860 566827 582325 596660 745825 885134 1133654 1164650 1491650 1770268 2212835 2267308 2329300 2834135 2983300 4425670 5668270 8851340 11064175 11336540 14170675 22128350 28341350 44256700 56682700 694900069 1389800138 2779600276 3474500345 6949000690 13203101311 13898001380 17372501725 26406202622 34745003450 52812405244 66015506555 69490006900 132031013110 264062026220 330077532775 660155065550 1320310131100