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131231233010122 = 2721339094214389
BaseRepresentation
bin11101110101101010100111…
…000001101110100111001010
3122012122120202021010201000221
4131311222213001232213022
5114200043031122310442
61143034443550220254
736433100201465200
oct3565524701564712
9565576667121027
10131231233010122
11388a5942930083
12128755aa4b468a
13582c08a81656b
1424598a87b5070
15102895b269467
hex775aa706e9ca

131231233010122 has 12 divisors (see below), whose sum is σ = 228985110660690. Its totient is φ = 56241957004296.

The previous prime is 131231233010117. The next prime is 131231233010159. The reversal of 131231233010122 is 221010332132131.

It can be written as a sum of positive squares in only one way, i.e., 111271506257961 + 19959726752161 = 10548531^2 + 4467631^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 669547107097 + ... + 669547107292.

Almost surely, 2131231233010122 is an apocalyptic number.

131231233010122 is a deficient number, since it is larger than the sum of its proper divisors (97753877650568).

131231233010122 is a wasteful number, since it uses less digits than its factorization.

131231233010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339094214405 (or 1339094214398 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131231233010122 its reverse (221010332132131), we get a palindrome (352241565142253).

The spelling of 131231233010122 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, two hundred thirty-three million, ten thousand, one hundred twenty-two".

Divisors: 1 2 7 14 49 98 1339094214389 2678188428778 9373659500723 18747319001446 65615616505061 131231233010122