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231011322113100 = 223523720811830821
BaseRepresentation
bin110100100001101010000011…
…110010110010110001001100
31010021221110121020022011212210
4310201222003302302301030
5220234342141430104400
62135153045235230420
766442005626105124
oct6441520362626114
91107843536264783
10231011322113100
1167675395975461
1221aab660448410
139bb9374562269
144109016db5c84
151ba9204599950
hexd21a83cb2c4c

231011322113100 has 72 divisors (see below), whose sum is σ = 686457427832848. Its totient is φ = 59938072761600.

The previous prime is 231011322113023. The next prime is 231011322113119. The reversal of 231011322113100 is 1311223110132.

It is a super-2 number, since 2×2310113221131002 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10405904311 + ... + 10405926510.

Almost surely, 2231011322113100 is an apocalyptic number.

231011322113100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231011322113100 is an abundant number, since it is smaller than the sum of its proper divisors (455446105719748).

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

231011322113100 is a wasteful number, since it uses less digits than its factorization.

231011322113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20811830875 (or 20811830868 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 231011322113100 its reverse (1311223110132), we get a palindrome (232322545223232).

The spelling of 231011322113100 in words is "two hundred thirty-one trillion, eleven billion, three hundred twenty-two million, one hundred thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 37 50 60 74 75 100 111 148 150 185 222 300 370 444 555 740 925 1110 1850 2220 2775 3700 5550 11100 20811830821 41623661642 62435492463 83247323284 104059154105 124870984926 208118308210 249741969852 312177462315 416236616420 520295770525 624354924630 770037740377 1040591541050 1248709849260 1540075480754 1560887311575 2081183082100 2310113221131 3080150961508 3121774623150 3850188701885 4620226442262 6243549246300 7700377403770 9240452884524 11550566105655 15400754807540 19250943509425 23101132211310 38501887018850 46202264422620 57752830528275 77003774037700 115505661056550 231011322113100