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30531010305340 = 225103137632917093
BaseRepresentation
bin1101111000100100011100…
…00001100001110100111100
311000002201212121021012111001
412330102032001201310330
513000210002114232330
6144533430312540044
76300535616456206
oct674221601416474
9130081777235431
1030531010305340
119801146414976
1235111456b1624
1314060a6059b0c
147779ccc89776
1537e2ad0a09ca
hex1bc48e061d3c

30531010305340 has 96 divisors (see below), whose sum is σ = 65224254775680. Its totient is φ = 12002961739776.

The previous prime is 30531010305337. The next prime is 30531010305343. The reversal of 30531010305340 is 4350301013503.

It is an interprime number because it is at equal distance from previous prime (30531010305337) and next prime (30531010305343).

It is a junction number, because it is equal to n+sod(n) for n = 30531010305299 and 30531010305308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30531010305343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1786161834 + ... + 1786178926.

It is an arithmetic number, because the mean of its divisors is an integer number (679419320580).

Almost surely, 230531010305340 is an apocalyptic number.

It is an amenable number.

30531010305340 is an abundant number, since it is smaller than the sum of its proper divisors (34693244470340).

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

30531010305340 is a wasteful number, since it uses less digits than its factorization.

30531010305340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23671 (or 23669 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 30531010305340 its reverse (4350301013503), we get a palindrome (34881311318843).

The spelling of 30531010305340 in words is "thirty trillion, five hundred thirty-one billion, ten million, three hundred five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 103 137 206 274 412 515 548 685 1030 1370 2060 2740 6329 12658 14111 17093 25316 28222 31645 34186 56444 63290 68372 70555 85465 126580 141110 170930 282220 341860 651887 867073 1303774 1734146 1760579 2341741 2607548 3259435 3468292 3521158 4335365 4683482 6518870 7042316 8670730 8802895 9366964 11708705 13037740 17341460 17605790 23417410 35211580 46834820 89308519 108181597 178617038 216363194 241199323 357234076 432726388 446542595 482398646 540907985 893085190 964797292 1081815970 1205996615 1786170380 2163631940 2411993230 4823986460 11142704491 14820878789 22285408982 29641757578 44570817964 55713522455 59283515156 74104393945 111427044910 148208787890 222854089820 296417575780 1526550515267 3053101030534 6106202061068 7632752576335 15265505152670 30531010305340