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212303330031331 = 71129307566954629
BaseRepresentation
bin110000010001011010111000…
…100100100011011011100011
31000211201000000002200022022201
4300101122320210203123203
5210311334204442000311
62031310445310514031
762501260301133640
oct6021327044433343
91024630002608281
10212303330031331
1161712378080260
121b989983805917
13916016c6759b6
143a5d770adadc7
15198276bba49c1
hexc116b89236e3

212303330031331 has 64 divisors (see below), whose sum is σ = 274762502784000. Its totient is φ = 159175363576320.

The previous prime is 212303330031223. The next prime is 212303330031337. The reversal of 212303330031331 is 133130033303212.

It is not a de Polignac number, because 212303330031331 - 27 = 212303330031203 is a prime.

It is a super-2 number, since 2×2123033300313312 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212303330031331.

It is not an unprimeable number, because it can be changed into a prime (212303330031337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3886247925 + ... + 3886302553.

It is an arithmetic number, because the mean of its divisors is an integer number (4293164106000).

Almost surely, 2212303330031331 is an apocalyptic number.

212303330031331 is a deficient number, since it is larger than the sum of its proper divisors (62459172752669).

212303330031331 is a wasteful number, since it uses less digits than its factorization.

212303330031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60652.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 212303330031331 its reverse (133130033303212), we get a palindrome (345433363334543).

The spelling of 212303330031331 in words is "two hundred twelve trillion, three hundred three billion, three hundred thirty million, thirty-one thousand, three hundred thirty-one".

Divisors: 1 7 11 29 77 203 307 319 2149 2233 3377 5669 8903 23639 39683 54629 62321 62359 97933 164401 382403 436513 600919 685531 1150807 1584241 1740383 1808411 4206433 11089687 12182681 12658877 16771103 17426651 19144213 50471107 117397721 121986557 134009491 184482133 309691801 353297749 486361987 555182177 1291374931 2167842607 3404533909 3406609811 3886275239 5349981857 8981062229 23846268677 37449872999 62867435603 95075382907 98791684519 665527680349 691541791633 1045829211977 2757186104303 7320804483839 19300302730121 30329047147333 212303330031331