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131022203303432 = 2378114412883367
BaseRepresentation
bin11101110010100111111011…
…111000101011011000001000
3122011220121012121212101121102
4131302213323320223120020
5114133131433021202212
61142354434054200532
736412020224342540
oct3562477370533010
9564817177771542
10131022203303432
1138825228028671
1212840b92953148
13581545784579c
14244d719388320
1510232c51eb5c2
hex7729fbe2b608

131022203303432 has 32 divisors (see below), whose sum is σ = 280762307598720. Its totient is φ = 56152284168960.

The previous prime is 131022203303429. The next prime is 131022203303477. The reversal of 131022203303432 is 234303302220131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131022203303395 and 131022203303404.

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, 43999013 + ... + 46882379.

It is an arithmetic number, because the mean of its divisors is an integer number (8773822112460).

Almost surely, 2131022203303432 is an apocalyptic number.

It is an amenable number.

131022203303432 is an abundant number, since it is smaller than the sum of its proper divisors (149740104295288).

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

131022203303432 is a wasteful number, since it uses less digits than its factorization.

131022203303432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694821 (or 3694817 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 131022203303432 its reverse (234303302220131), we get a palindrome (365325505523563).

The spelling of 131022203303432 in words is "one hundred thirty-one trillion, twenty-two billion, two hundred three million, three hundred three thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 811441 1622882 2883367 3245764 5680087 5766734 6491528 11360174 11533468 20183569 22720348 23066936 40367138 45440696 80734276 161468552 2339682201847 4679364403694 9358728807388 16377775412929 18717457614776 32755550825858 65511101651716 131022203303432