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2000111131 is a prime number
BaseRepresentation
bin111011100110111…
…0100011000011011
312011101120011200001
41313031310120123
513044012024011
6530245153431
7100364443534
oct16715643033
95141504601
102000111131
11937013107
124799bb877
1325b4b5b15
1414d8c768b
15ba8d57c1
hex7737461b

2000111131 has 2 divisors, whose sum is σ = 2000111132. Its totient is φ = 2000111130.

The previous prime is 2000111129. The next prime is 2000111137. The reversal of 2000111131 is 1311110002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2000111131 - 21 = 2000111129 is a prime.

It is a super-2 number, since 2×20001111312 = 8000889072700198322, which contains 22 as substring.

Together with 2000111129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2000111137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000055565 + 1000055566.

It is an arithmetic number, because the mean of its divisors is an integer number (1000055566).

Almost surely, 22000111131 is an apocalyptic number.

2000111131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000111131 is an equidigital number, since it uses as much as digits as its factorization.

2000111131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2000111131 is about 44722.6020150885. The cubic root of 2000111131 is about 1259.9443855104.

Adding to 2000111131 its reverse (1311110002), we get a palindrome (3311221133).

The spelling of 2000111131 in words is "two billion, one hundred eleven thousand, one hundred thirty-one".