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31030213133300 = 225217210710034671
BaseRepresentation
bin1110000111000110010001…
…10101001100001111110100
311001212110101220110101021012
413003203020311030033310
513031344334030231200
6145555025542011352
76351600415501043
oct703431065141764
9131773356411235
1031030213133300
1199839263a31a7
123591a43716b58
1314411a0ca4c54
14793c2827c55a
1538c278c19a35
hex1c38c8d4c3f4

31030213133300 has 108 divisors (see below), whose sum is σ = 72197979908544. Its totient is φ = 11572784217600.

The previous prime is 31030213133291. The next prime is 31030213133357. The reversal of 31030213133300 is 333131203013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1925036 + ... + 8109635.

It is an arithmetic number, because the mean of its divisors is an integer number (668499813968).

Almost surely, 231030213133300 is an apocalyptic number.

It is an amenable number.

31030213133300 is an abundant number, since it is smaller than the sum of its proper divisors (41167766775244).

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

31030213133300 is a wasteful number, since it uses less digits than its factorization.

31030213133300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10034826 (or 10034802 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 31030213133300 its reverse (333131203013), we get a palindrome (31363344336313).

The spelling of 31030213133300 in words is "thirty-one trillion, thirty billion, two hundred thirteen million, one hundred thirty-three thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 107 170 214 289 340 425 428 535 578 850 1070 1156 1445 1700 1819 2140 2675 2890 3638 5350 5780 7225 7276 9095 10700 14450 18190 28900 30923 36380 45475 61846 90950 123692 154615 181900 309230 618460 773075 1546150 3092300 10034671 20069342 40138684 50173355 100346710 170589407 200693420 250866775 341178814 501733550 682357628 852947035 1003467100 1073709797 1705894070 2147419594 2900019919 3411788140 4264735175 4294839188 5368548985 5800039838 8529470350 10737097970 11600079676 14500099595 17058940700 18253066549 21474195940 26842744925 29000199190 36506133098 53685489850 58000398380 72500497975 73012266196 91265332745 107370979700 145000995950 182530665490 290001991900 310302131333 365061330980 456326663725 620604262666 912653327450 1241208525332 1551510656665 1825306654900 3103021313330 6206042626660 7757553283325 15515106566650 31030213133300