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10001113131131 = 29344865970039
BaseRepresentation
bin1001000110001001000011…
…0010111010100001111011
31022102002121202210011200022
42101202100302322201323
52302324234430144011
633134240431201055
72051361622660463
oct221422062724173
938362552704608
1010001113131131
1132064a26a7a01
12115634867618b
13577140955cb5
142680b0cc8ba3
15125242a1e8db
hex91890cba87b

10001113131131 has 4 divisors (see below), whose sum is σ = 10345979101200. Its totient is φ = 9656247161064.

The previous prime is 10001113131109. The next prime is 10001113131133. The reversal of 10001113131131 is 13113131110001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10001113131131 - 226 = 10001046022267 is a prime.

It is a super-2 number, since 2×100011131311312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001113131133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172432984991 + ... + 172432985048.

It is an arithmetic number, because the mean of its divisors is an integer number (2586494775300).

Almost surely, 210001113131131 is an apocalyptic number.

10001113131131 is a deficient number, since it is larger than the sum of its proper divisors (344865970069).

10001113131131 is an equidigital number, since it uses as much as digits as its factorization.

10001113131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344865970068.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 10001113131131 its reverse (13113131110001), we get a palindrome (23114244241132).

The spelling of 10001113131131 in words is "ten trillion, one billion, one hundred thirteen million, one hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 29 344865970039 10001113131131