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30020002203231 = 361723791333151
BaseRepresentation
bin1101101001101100100111…
…00100010100011001011111
310221021212212120100222000000
412310312103210110121133
512413321431031000411
6143502555411505343
76215605432330425
oct664662344243137
9127255776328000
1030020002203231
119624458695427
12344a0b1bb8253
131399b49408971
1475ad93a87115
15370d50d2c956
hex1b4d9391465f

30020002203231 has 112 divisors (see below), whose sum is σ = 50358590300160. Its totient is φ = 17789041670400.

The previous prime is 30020002203227. The next prime is 30020002203281. The reversal of 30020002203231 is 13230220002003.

It is a happy number.

30020002203231 is a `hidden beast` number, since 30 + 0 + 200 + 0 + 2 + 203 + 231 = 666.

It is not a de Polignac number, because 30020002203231 - 22 = 30020002203227 is a prime.

It is a super-2 number, since 2×300200022032312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020002203211) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 21851506 + ... + 23184656.

Almost surely, 230020002203231 is an apocalyptic number.

30020002203231 is a deficient number, since it is larger than the sum of its proper divisors (20338588096929).

30020002203231 is a wasteful number, since it uses less digits than its factorization.

30020002203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333288 (or 1333273 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30020002203231 its reverse (13230220002003), we get a palindrome (43250222205234).

The spelling of 30020002203231 in words is "thirty trillion, twenty billion, two million, two hundred three thousand, two hundred thirty-one".

Divisors: 1 3 9 17 23 27 51 69 79 81 153 207 237 243 391 459 621 711 729 1173 1343 1377 1817 1863 2133 3519 4029 4131 5451 5589 6399 10557 12087 12393 16353 16767 19197 30889 31671 36261 49059 57591 92667 95013 108783 147177 278001 285039 326349 441531 834003 979047 1324593 1333151 2502009 3999453 7506027 11998359 22518081 22663567 30662473 35995077 67990701 91987419 105318929 107985231 203972103 275962257 315956787 323955693 521262041 611916309 827886771 947870361 971867079 1563786123 1790421793 1835748927 2422335367 2483660313 2843611083 4691358369 5371265379 5507246781 7267006101 7450980939 8530833249 14074075107 16113796137 16521740343 21801018303 22352942817 25592499747 41179701239 42222225321 48341388411 65403054909 76777499241 123539103717 126666675963 145024165233 196209164727 370617311151 380000027889 435072495699 588627494181 1111851933453 1305217487097 1765882482543 3335555800359 10006667401077 30020002203231