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131101313100 = 223522011217307
BaseRepresentation
bin111101000011000111…
…1110100100001001100
3110112101200020202011220
41322012033310201030
54121443414004400
6140121020043340
712320545526502
oct1720617644114
9415350222156
10131101313100
1150666300a4a
12214a9693550
13c4940c50a4
1464b986a672
1536248a87a0
hex1e863f484c

131101313100 has 72 divisors (see below), whose sum is σ = 379510168128. Its totient is φ = 34942804800.

The previous prime is 131101313089. The next prime is 131101313111. The reversal of 131101313100 is 1313101131.

It is an interprime number because it is at equal distance from previous prime (131101313089) and next prime (131101313111).

It is a super-2 number, since 2×1311013131002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131101313100.

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, 494647 + ... + 711953.

Almost surely, 2131101313100 is an apocalyptic number.

131101313100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131101313100 is an abundant number, since it is smaller than the sum of its proper divisors (248408855028).

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

131101313100 is a wasteful number, since it uses less digits than its factorization.

131101313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219335 (or 219328 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 131101313100 its reverse (1313101131), we get a palindrome (132414414231).

The spelling of 131101313100 in words is "one hundred thirty-one billion, one hundred one million, three hundred thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 2011 4022 6033 8044 10055 12066 20110 24132 30165 40220 50275 60330 100550 120660 150825 201100 217307 301650 434614 603300 651921 869228 1086535 1303842 2173070 2607684 3259605 4346140 5432675 6519210 10865350 13038420 16298025 21730700 32596050 65192100 437004377 874008754 1311013131 1748017508 2185021885 2622026262 4370043770 5244052524 6555065655 8740087540 10925109425 13110131310 21850218850 26220262620 32775328275 43700437700 65550656550 131101313100