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113131212122302 = 2118893757819893
BaseRepresentation
bin11001101110010001101001…
…101101100010100010111110
3112211120020102200120111101121
4121232101221231202202332
5104312020210300403202
61040335432242301154
732554313620435363
oct3156215155424276
9484506380514347
10113131212122302
113305774aa11470
12108317060577ba
134b182c5b52bca
141dd18192aa46a
15d12c083ec537
hex66e469b628be

113131212122302 has 16 divisors (see below), whose sum is σ = 185125886372592. Its totient is φ = 51422699149120.

The previous prime is 113131212122287. The next prime is 113131212122359. The reversal of 113131212122302 is 203221212131311.

It is a super-2 number, since 2×1131312121223022 (a number of 29 digits) contains 22 as substring.

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, 26953333 + ... + 30866560.

It is an arithmetic number, because the mean of its divisors is an integer number (11570367898287).

Almost surely, 2113131212122302 is an apocalyptic number.

113131212122302 is a deficient number, since it is larger than the sum of its proper divisors (71994674250290).

113131212122302 is a wasteful number, since it uses less digits than its factorization.

113131212122302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57908843.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 113131212122302 its reverse (203221212131311), we get a palindrome (316352424253613).

Subtracting 113131212122302 from its reverse (203221212131311), we obtain a palindrome (90090000009009).

The spelling of 113131212122302 in words is "one hundred thirteen trillion, one hundred thirty-one billion, two hundred twelve million, one hundred twenty-two thousand, three hundred two".

Divisors: 1 2 11 22 88937 177874 978307 1956614 57819893 115639786 636018823 1272037646 5142327823741 10284655647482 56565606061151 113131212122302