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1012131143 is a prime number
BaseRepresentation
bin111100010100111…
…110010101000111
32121112111120220122
4330110332111013
54033101144033
6244233252155
734036654442
oct7424762507
92545446818
101012131143
1147a35a121
12242b6405b
131318c6a8a
14985c8659
155dccaa98
hex3c53e547

1012131143 has 2 divisors, whose sum is σ = 1012131144. Its totient is φ = 1012131142.

The previous prime is 1012131103. The next prime is 1012131149. The reversal of 1012131143 is 3411312101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3411312101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012131143 - 26 = 1012131079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012131149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506065571 + 506065572.

It is an arithmetic number, because the mean of its divisors is an integer number (506065572).

Almost surely, 21012131143 is an apocalyptic number.

1012131143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012131143 is an equidigital number, since it uses as much as digits as its factorization.

1012131143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1012131143 is about 31814.0085968430. The cubic root of 1012131143 is about 1004.0274720265.

Adding to 1012131143 its reverse (3411312101), we get a palindrome (4423443244).

The spelling of 1012131143 in words is "one billion, twelve million, one hundred thirty-one thousand, one hundred forty-three".