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131011223202204 = 22331583345679699
BaseRepresentation
bin11101110010011101101101…
…011010111010100110011100
3122011212112212101212110100120
4131302131231122322212130
5114132441441114432304
61142345420340354540
736411151146124602
oct3562355532724634
9564775771773316
10131011223202204
1138820603051044
121283aa296a5a50
1358143c7a97477
14244cd96db7872
151022d8128d0d9
hex77276d6ba99c

131011223202204 has 24 divisors (see below), whose sum is σ = 305702534054400. Its totient is φ = 43669024888944.

The previous prime is 131011223202199. The next prime is 131011223202239. The reversal of 131011223202204 is 402202322110131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172460854 + ... + 173218845.

It is an arithmetic number, because the mean of its divisors is an integer number (12737605585600).

Almost surely, 2131011223202204 is an apocalyptic number.

It is an amenable number.

131011223202204 is an abundant number, since it is smaller than the sum of its proper divisors (174691310852196).

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

131011223202204 is a wasteful number, since it uses less digits than its factorization.

131011223202204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345711289 (or 345711287 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131011223202204 its reverse (402202322110131), we get a palindrome (533213545312335).

The spelling of 131011223202204 in words is "one hundred thirty-one trillion, eleven billion, two hundred twenty-three million, two hundred two thousand, two hundred four".

Divisors: 1 2 3 4 6 12 31583 63166 94749 126332 189498 378996 345679699 691359398 1037039097 1382718796 2074078194 4148156388 10917601933517 21835203867034 32752805800551 43670407734068 65505611601102 131011223202204