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131120100120 = 23351092667501
BaseRepresentation
bin111101000011101011…
…1011111001100011000
3110112102222121020010110
41322013113133030120
54122013221200440
6140122530444320
712321164314242
oct1720727371430
9415388536113
10131120100120
1150675972a09
12214b3a336a0
13c497c72379
1464bc15b092
15362636a080
hex1e875df318

131120100120 has 32 divisors (see below), whose sum is σ = 393360300720. Its totient is φ = 34965360000.

The previous prime is 131120100049. The next prime is 131120100203. The reversal of 131120100120 is 21001021131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 131120100096 and 131120100105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546333631 + ... + 546333870.

Almost surely, 2131120100120 is an apocalyptic number.

131120100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131120100120 is an abundant number, since it is smaller than the sum of its proper divisors (262240200600).

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

131120100120 is a wasteful number, since it uses less digits than its factorization.

131120100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092667515 (or 1092667511 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 131120100120 its reverse (21001021131), we get a palindrome (152121121251).

The spelling of 131120100120 in words is "one hundred thirty-one billion, one hundred twenty million, one hundred thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1092667501 2185335002 3278002503 4370670004 5463337505 6556005006 8741340008 10926675010 13112010012 16390012515 21853350020 26224020024 32780025030 43706700040 65560050060 131120100120