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131200220310203 = 11103289543399937
BaseRepresentation
bin11101110101001101101110…
…100001101010101010111011
3122012112121200221021022112102
4131311031232201222222323
5114144041022344411303
61143012314340334015
736430621524052352
oct3565155641525273
9565477627238472
10131200220310203
1138893778a89670
121286b5943a430b
1358291876b8855
1424581a5a74999
151027c437a1288
hex77536e86aabb

131200220310203 has 16 divisors (see below), whose sum is σ = 144517961043456. Its totient is φ = 118114234698240.

The previous prime is 131200220310163. The next prime is 131200220310209. The reversal of 131200220310203 is 302013022002131.

It is a de Polignac number, because none of the positive numbers 2k-131200220310203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131200220310209) 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, 327852251 + ... + 328252187.

It is an arithmetic number, because the mean of its divisors is an integer number (9032372565216).

Almost surely, 2131200220310203 is an apocalyptic number.

131200220310203 is a deficient number, since it is larger than the sum of its proper divisors (13317740733253).

131200220310203 is a wasteful number, since it uses less digits than its factorization.

131200220310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689594.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131200220310203 its reverse (302013022002131), we get a palindrome (433213242312334).

The spelling of 131200220310203 in words is "one hundred thirty-one trillion, two hundred billion, two hundred twenty million, three hundred ten thousand, two hundred three".

Divisors: 1 11 103 1133 289543 399937 3184973 4399307 29822929 41193511 328052219 453128621 115798958791 1273788546701 11927292755473 131200220310203