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2113312120131 = 31566744963131
BaseRepresentation
bin11110110000001011001…
…101111101110101000011
321111000211100120222000010
4132300023031331311003
5234111030400321011
64254501525000003
7305452562430312
oct36601315756503
97430740528003
102113312120131
11745283663863
122a16a7b53003
13124390cc8174
14743db8c6279
1539e8ac6e1a6
hex1ec0b37dd43

2113312120131 has 8 divisors (see below), whose sum is σ = 2817929408704. Its totient is φ = 1408784789160.

The previous prime is 2113312120099. The next prime is 2113312120151. The reversal of 2113312120131 is 1310212133112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2113312120131 - 25 = 2113312120099 is a prime.

It is a super-2 number, since 2×21133121201312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113312120098 and 2113312120107.

It is not an unprimeable number, because it can be changed into a prime (2113312120151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22434565 + ... + 22528566.

It is an arithmetic number, because the mean of its divisors is an integer number (352241176088).

Almost surely, 22113312120131 is an apocalyptic number.

2113312120131 is a deficient number, since it is larger than the sum of its proper divisors (704617288573).

2113312120131 is a wasteful number, since it uses less digits than its factorization.

2113312120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44978801.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2113312120131 its reverse (1310212133112), we get a palindrome (3423524253243).

The spelling of 2113312120131 in words is "two trillion, one hundred thirteen billion, three hundred twelve million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 15667 47001 44963131 134889393 704437373377 2113312120131