Search a number
-
+
131101232041305 = 3453534192188583
BaseRepresentation
bin11101110011110001100010…
…010111011000110101011001
3122012012011012021101020110000
4131303301202113120311121
5114140430310400310210
61142455024034243213
736420515513464251
oct3563614227306531
9565164167336400
10131101232041305
11388557a175a079
1212854369426509
13581ca40692a86
142453495136961
15102539d2b3ac0
hex773c625d8d59

131101232041305 has 80 divisors (see below), whose sum is σ = 236239433781120. Its totient is φ = 69556147448832.

The previous prime is 131101232041291. The next prime is 131101232041333. The reversal of 131101232041305 is 503140232101131.

131101232041305 is a `hidden beast` number, since 1 + 3 + 1 + 10 + 1 + 232 + 0 + 413 + 0 + 5 = 666.

It is not a de Polignac number, because 131101232041305 - 24 = 131101232041289 is a prime.

It is a super-2 number, since 2×1311012320413052 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 58808044 + ... + 60996626.

It is an arithmetic number, because the mean of its divisors is an integer number (2952992922264).

Almost surely, 2131101232041305 is an apocalyptic number.

131101232041305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131101232041305 is a deficient number, since it is larger than the sum of its proper divisors (105138201739815).

131101232041305 is a wasteful number, since it uses less digits than its factorization.

131101232041305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189372 (or 2189363 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 131101232041305 its reverse (503140232101131), we get a palindrome (634241464142436).

The spelling of 131101232041305 in words is "one hundred thirty-one trillion, one hundred one billion, two hundred thirty-two million, forty-one thousand, three hundred five".

Divisors: 1 3 5 9 15 27 45 81 135 353 405 419 1059 1257 1765 2095 3177 3771 5295 6285 9531 11313 15885 18855 28593 33939 47655 56565 142965 147907 169695 443721 739535 1331163 2188583 2218605 3993489 6565749 6655815 10942915 11980467 19697247 19967445 32828745 59091741 59902335 98486235 177275223 295458705 772569799 886376115 917016277 2317709397 2751048831 3862848995 4585081385 6953128191 8253146493 11588546985 13755244155 20859384573 24759439479 34765640955 41265732465 62578153719 74278318437 104296922865 123797197395 312890768595 323706745781 371391592185 971120237343 1618533728905 2913360712029 4855601186715 8740082136087 14566803560145 26220246408261 43700410680435 131101232041305