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131443344130 = 2573834902773
BaseRepresentation
bin111101001101010100…
…0100100001100000010
3110120021111211201112211
41322122220210030002
54123143444003010
6140214555012334
712332200663510
oct1723250441402
9416244751484
10131443344130
1150821382a1a
122158413a0aa
13c519c1b007
14650d0614b0
15364491b08a
hex1e9aa24302

131443344130 has 32 divisors (see below), whose sum is σ = 271103791104. Its totient is φ = 44948613696.

The previous prime is 131443344113. The next prime is 131443344209. The reversal of 131443344130 is 31443344131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131443344092 and 131443344101.

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, 2424577 + ... + 2478196.

It is an arithmetic number, because the mean of its divisors is an integer number (8471993472).

Almost surely, 2131443344130 is an apocalyptic number.

131443344130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131443344130 is an abundant number, since it is smaller than the sum of its proper divisors (139660446974).

131443344130 is a wasteful number, since it uses less digits than its factorization.

131443344130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903170.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 131443344130 its reverse (31443344131), we get a palindrome (162886688261).

Subtracting from 131443344130 its reverse (31443344131), we obtain a palindrome (99999999999).

The spelling of 131443344130 in words is "one hundred thirty-one billion, four hundred forty-three million, three hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 383 766 1915 2681 3830 5362 13405 26810 4902773 9805546 24513865 34319411 49027730 68638822 171597055 343194110 1877762059 3755524118 9388810295 13144334413 18777620590 26288668826 65721672065 131443344130