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131223040200203 = 7671791563090853
BaseRepresentation
bin11101110101100010111110…
…101100101000111000001011
3122012121210121021220211122112
4131311202332230220320023
5114144424241242401303
61143031011002012535
736432360156655040
oct3565427654507013
9565553537824575
10131223040200203
11388a2419240796
1212873aa27a714b
13582b383365a43
14245932c67b1c7
15102862bd850d8
hex7758beb28e0b

131223040200203 has 16 divisors (see below), whose sum is σ = 153057856423680. Its totient is φ = 110179147975776.

The previous prime is 131223040200199. The next prime is 131223040200227. The reversal of 131223040200203 is 302002040322131.

It is a cyclic number.

It is not a de Polignac number, because 131223040200203 - 22 = 131223040200199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131223040200253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781461476 + ... + 781629377.

It is an arithmetic number, because the mean of its divisors is an integer number (9566116026480).

Almost surely, 2131223040200203 is an apocalyptic number.

131223040200203 is a deficient number, since it is larger than the sum of its proper divisors (21834816223477).

131223040200203 is a wasteful number, since it uses less digits than its factorization.

131223040200203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563091106.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 131223040200203 its reverse (302002040322131), we get a palindrome (433225080522334).

The spelling of 131223040200203 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, forty million, two hundred thousand, two hundred three".

Divisors: 1 7 67 179 469 1253 11993 83951 1563090853 10941635971 104727087151 279793262687 733089610057 1958552838809 18746148600029 131223040200203