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131011011120 = 24351149625383
BaseRepresentation
bin111101000000011011…
…1010110001000110000
3110112011101022221011010
41322000313112020300
54121302304323440
6140104032350520
712315401135433
oct1720067261060
9415141287133
10131011011120
115061a333810
12214833a5440
13c47b498872
1464ab88181a
15361b9bc580
hex1e80dd6230

131011011120 has 80 divisors (see below), whose sum is σ = 443055428352. Its totient is φ = 31760244480.

The previous prime is 131011011017. The next prime is 131011011133. The reversal of 131011011120 is 21110110131.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 131011011096 and 131011011105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24810052 + ... + 24815331.

Almost surely, 2131011011120 is an apocalyptic number.

131011011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131011011120 is an abundant number, since it is smaller than the sum of its proper divisors (312044417232).

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

131011011120 is a wasteful number, since it uses less digits than its factorization.

131011011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49625410 (or 49625404 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 131011011120 its reverse (21110110131), we get a palindrome (152121121251).

It can be divided in two parts, 1310110111 and 20, that added together give a palindrome (1310110131).

The spelling of 131011011120 in words is "one hundred thirty-one billion, eleven million, eleven thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 49625383 99250766 148876149 198501532 248126915 297752298 397003064 496253830 545879213 595504596 744380745 794006128 992507660 1091758426 1191009192 1488761490 1637637639 1985015320 2183516852 2382018384 2729396065 2977522980 3275275278 3970030640 4367033704 5458792130 5955045960 6550550556 8188188195 8734067408 10917584260 11910091920 13101101112 16376376390 21835168520 26202202224 32752752780 43670337040 65505505560 131011011120