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20133131143 is a prime number
BaseRepresentation
bin10010110000000001…
…110011001110000111
31220222010001000211211
4102300001303032013
5312213040144033
613125442512251
71311626535226
oct226001631607
956863030754
1020133131143
1185a169a464
123a9a665687
131b8b14b668
14d8dc5ccbd
157cc7b72cd
hex4b0073387

20133131143 has 2 divisors, whose sum is σ = 20133131144. Its totient is φ = 20133131142.

The previous prime is 20133131111. The next prime is 20133131153. The reversal of 20133131143 is 34113133102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20133131143 - 25 = 20133131111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133131153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066565571 + 10066565572.

It is an arithmetic number, because the mean of its divisors is an integer number (10066565572).

Almost surely, 220133131143 is an apocalyptic number.

20133131143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133131143 is an equidigital number, since it uses as much as digits as its factorization.

20133131143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20133131143 its reverse (34113133102), we get a palindrome (54246264245).

The spelling of 20133131143 in words is "twenty billion, one hundred thirty-three million, one hundred thirty-one thousand, one hundred forty-three".