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31434041100 = 223527111360781
BaseRepresentation
bin11101010001100111…
…010110011100001100
310000010200200201221110
4131101213112130030
51003334103303400
622235100332020
72161651640460
oct352147263414
9100120621843
1031434041100
1112370773370
126113244010
132c6c502027
141742a9c4a0
15c3e994e50
hex7519d670c

31434041100 has 144 divisors (see below), whose sum is σ = 113391242496. Its totient is φ = 6531744000.

The previous prime is 31434041059. The next prime is 31434041129. The reversal of 31434041100 is 114043413.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 657291 + ... + 703490.

It is an arithmetic number, because the mean of its divisors is an integer number (787439184).

Almost surely, 231434041100 is an apocalyptic number.

31434041100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31434041100 is an abundant number, since it is smaller than the sum of its proper divisors (81957201396).

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

31434041100 is a wasteful number, since it uses less digits than its factorization.

31434041100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360816 (or 1360809 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31434041100 its reverse (114043413), we get a palindrome (31548084513).

The spelling of 31434041100 in words is "thirty-one billion, four hundred thirty-four million, forty-one thousand, one hundred".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 25 28 30 33 35 42 44 50 55 60 66 70 75 77 84 100 105 110 132 140 150 154 165 175 210 220 231 275 300 308 330 350 385 420 462 525 550 660 700 770 825 924 1050 1100 1155 1540 1650 1925 2100 2310 3300 3850 4620 5775 7700 11550 23100 1360781 2721562 4082343 5443124 6803905 8164686 9525467 13607810 14968591 16329372 19050934 20411715 27215620 28576401 29937182 34019525 38101868 40823430 44905773 47627335 57152802 59874364 68039050 74842955 81646860 89811546 95254670 102058575 104780137 114305604 136078100 142882005 149685910 179623092 190509340 204117150 209560274 224528865 238136675 285764010 299371820 314340411 374214775 408234300 419120548 449057730 476273350 523900685 571528020 628680822 714410025 748429550 898115460 952546700 1047801370 1122644325 1257361644 1428820050 1496859100 1571702055 2095602740 2245288650 2619503425 2857640100 3143404110 4490577300 5239006850 6286808220 7858510275 10478013700 15717020550 31434041100