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3121132141 is a prime number
BaseRepresentation
bin1011101000001000…
…1011001001101101
322001111221221101201
42322002023021231
522343002212031
61233412405501
7140226120421
oct27202131155
98044857351
103121132141
111361885856
12731316891
133a981686a
14218738b81
1513401ed61
hexba08b26d

3121132141 has 2 divisors, whose sum is σ = 3121132142. Its totient is φ = 3121132140.

The previous prime is 3121132127. The next prime is 3121132229. The reversal of 3121132141 is 1412311213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2833965225 + 287166916 = 53235^2 + 16946^2 .

It is a cyclic number.

It is not a de Polignac number, because 3121132141 - 27 = 3121132013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121132121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560566070 + 1560566071.

It is an arithmetic number, because the mean of its divisors is an integer number (1560566071).

Almost surely, 23121132141 is an apocalyptic number.

It is an amenable number.

3121132141 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121132141 is an equidigital number, since it uses as much as digits as its factorization.

3121132141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 3121132141 is about 55867.0935435163. The cubic root of 3121132141 is about 1461.4054367015.

Adding to 3121132141 its reverse (1412311213), we get a palindrome (4533443354).

The spelling of 3121132141 in words is "three billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred forty-one".