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2131141 is a prime number
BaseRepresentation
bin1000001000010011000101
311000021101011
420020103011
51021144031
6113402221
724054145
oct10102305
94007334
102131141
111226181
12869371
1359803c
143d6925
152c16b1
hex2084c5

2131141 has 2 divisors, whose sum is σ = 2131142. Its totient is φ = 2131140.

The previous prime is 2131133. The next prime is 2131193. The reversal of 2131141 is 1411312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221025 + 910116 = 1105^2 + 954^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131141 - 23 = 2131133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065570 + 1065571.

It is an arithmetic number, because the mean of its divisors is an integer number (1065571).

22131141 is an apocalyptic number.

It is an amenable number.

2131141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131141 is an equidigital number, since it uses as much as digits as its factorization.

2131141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24, while the sum is 13.

The square root of 2131141 is about 1459.8427997562. The cubic root of 2131141 is about 128.6878054465.

Adding to 2131141 its reverse (1411312), we get a palindrome (3542453).

The spelling of 2131141 in words is "two million, one hundred thirty-one thousand, one hundred forty-one".