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131043222030 = 2357312735007
BaseRepresentation
bin111101000001011001…
…0001110001000001110
3110112020121221102012210
41322002302032020032
54121334031101110
6140111143011250
712316242003000
oct1720262161016
9415217842183
10131043222030
11506365342a6
1221492139b26
13c485065c86
1464b1c68370
15361e731520
hex1e82c8e20e

131043222030 has 64 divisors (see below), whose sum is σ = 366768230400. Its totient is φ = 29952734112.

The previous prime is 131043222029. The next prime is 131043222047. The reversal of 131043222030 is 30222340131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131043221988 and 131043222006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6357214 + ... + 6377793.

It is an arithmetic number, because the mean of its divisors is an integer number (5730753600).

Almost surely, 2131043222030 is an apocalyptic number.

131043222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131043222030 is an abundant number, since it is smaller than the sum of its proper divisors (235725008370).

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

131043222030 is a wasteful number, since it uses less digits than its factorization.

131043222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12735038 (or 12735024 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131043222030 its reverse (30222340131), we get a palindrome (161265562161).

The spelling of 131043222030 in words is "one hundred thirty-one billion, forty-three million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 343 490 686 735 1029 1470 1715 2058 3430 5145 10290 12735007 25470014 38205021 63675035 76410042 89145049 127350070 178290098 191025105 267435147 382050210 445725245 534870294 624015343 891450490 1248030686 1337175735 1872046029 2674351470 3120076715 3744092058 4368107401 6240153430 8736214802 9360230145 13104322203 18720460290 21840537005 26208644406 43681074010 65521611015 131043222030