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231200221113030 = 235134361226008799
BaseRepresentation
bin110100100100011001111111…
…000011010010101011000110
31010022121112011221002122002110
4310210121333003102223012
5220300441023101104110
62135415525412321450
766461444003110341
oct6444317703225306
91108545157078073
10231200221113030
1167738510493a34
1221b2019a313286
139c01119a53030
144114216a15458
151bae0ad17da20
hexd2467f0d2ac6

231200221113030 has 128 divisors (see below), whose sum is σ = 621484422451200. Its totient is φ = 54676048412160.

The previous prime is 231200221113023. The next prime is 231200221113031. The reversal of 231200221113030 is 30311122002132.

231200221113030 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231200221112988 and 231200221113006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231200221113031) 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, 111981430 + ... + 114027369.

It is an arithmetic number, because the mean of its divisors is an integer number (4855347050400).

Almost surely, 2231200221113030 is an apocalyptic number.

231200221113030 is an abundant number, since it is smaller than the sum of its proper divisors (390284201338170).

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

231200221113030 is a wasteful number, since it uses less digits than its factorization.

231200221113030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226008926.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231200221113030 its reverse (30311122002132), we get a palindrome (261511343115162).

The spelling of 231200221113030 in words is "two hundred thirty-one trillion, two hundred billion, two hundred twenty-one million, one hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 43 61 65 78 86 122 129 130 183 195 215 258 305 366 390 430 559 610 645 793 915 1118 1290 1586 1677 1830 2379 2623 2795 3354 3965 4758 5246 5590 7869 7930 8385 11895 13115 15738 16770 23790 26230 34099 39345 68198 78690 102297 170495 204594 340990 511485 1022970 226008799 452017598 678026397 1130043995 1356052794 2260087990 2938114387 3390131985 5876228774 6780263970 8814343161 9718378357 13786536739 14690571935 17628686322 19436756714 27573073478 29155135071 29381143870 41359610217 44071715805 48591891785 58310270142 68932683695 82719220434 88143431610 97183783570 126338918641 137865367390 145775675355 179224977607 206798051085 252677837282 291551350710 358449955214 379016755923 413596102170 537674932821 592821079777 631694593205 758033511846 896124888035 1075349865642 1185642159554 1263389186410 1778463239331 1792249776070 1895083779615 2688374664105 2964105398885 3556926478662 3790167559230 5376749328210 5928210797770 7706674037101 8892316196655 15413348074202 17784632393310 23120022111303 38533370185505 46240044222606 77066740371010 115600110556515 231200221113030