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131021332223 is a prime number
BaseRepresentation
bin111101000000101111…
…0101101111011111111
3110112012002202022001012
41322001132231323333
54121312430112343
6140105041505435
712315554643215
oct1720136557377
9415162668035
10131021332223
1150625143151
122148694227b
13c480670622
1464acdaacb5
15361c85a718
hex1e817adeff

131021332223 has 2 divisors, whose sum is σ = 131021332224. Its totient is φ = 131021332222.

The previous prime is 131021332147. The next prime is 131021332237. The reversal of 131021332223 is 322233120131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131021332223 - 232 = 126726364927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131021332523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510666111 + 65510666112.

It is an arithmetic number, because the mean of its divisors is an integer number (65510666112).

Almost surely, 2131021332223 is an apocalyptic number.

131021332223 is a deficient number, since it is larger than the sum of its proper divisors (1).

131021332223 is an equidigital number, since it uses as much as digits as its factorization.

131021332223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131021332223 its reverse (322233120131), we get a palindrome (453254452354).

The spelling of 131021332223 in words is "one hundred thirty-one billion, twenty-one million, three hundred thirty-two thousand, two hundred twenty-three".