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30131102100030 = 23517154013836153
BaseRepresentation
bin1101101100111011100011…
…01000110010101000111110
310221200111122022102111010120
412312131301220302220332
512422131444114200110
6144030012012115410
76226620541014201
oct666356150625076
9127614568374116
1030131102100030
11966758a68a258
123467739165b66
1313a747374b579
147624d2d7d938
15373ba478a870
hex1b6771a32a3e

30131102100030 has 64 divisors (see below), whose sum is σ = 76573439304768. Its totient is φ = 7561822822400.

The previous prime is 30131102099941. The next prime is 30131102100091. The reversal of 30131102100030 is 3000120113103.

It is a super-2 number, since 2×301311021000302 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 30131102099982 and 30131102100009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5936434 + ... + 9772586.

It is an arithmetic number, because the mean of its divisors is an integer number (1196459989137).

Almost surely, 230131102100030 is an apocalyptic number.

30131102100030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30131102100030 is an abundant number, since it is smaller than the sum of its proper divisors (46442337204738).

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

30131102100030 is a wasteful number, since it uses less digits than its factorization.

30131102100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851581.

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

Adding to 30131102100030 its reverse (3000120113103), we get a palindrome (33131222213133).

The spelling of 30131102100030 in words is "thirty trillion, one hundred thirty-one billion, one hundred two million, one hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 15401 30802 46203 77005 92406 154010 231015 261817 462030 523634 785451 1309085 1570902 2618170 3836153 3927255 7672306 7854510 11508459 19180765 23016918 38361530 57542295 65214601 115084590 130429202 195643803 326073005 391287606 652146010 978219015 1956438030 59080592353 118161184706 177241777059 295402961765 354483554118 590805923530 886208885295 1004370070001 1772417770590 2008740140002 3013110210003 5021850350005 6026220420006 10043700700010 15065551050015 30131102100030