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133222213231 is a prime number
BaseRepresentation
bin111110000010010101…
…0011010011001101111
3110201212111002122012121
41330010222122121233
54140314341310411
6141111302213411
712424241062012
oct1740452323157
9421774078177
10133222213231
1151554514678
122199ba24267
13c74161cc93
14663b3d7379
1536eab9d571
hex1f04a9a66f

133222213231 has 2 divisors, whose sum is σ = 133222213232. Its totient is φ = 133222213230.

The previous prime is 133222213217. The next prime is 133222213237. The reversal of 133222213231 is 132312222331.

It is a strong prime.

It is an emirp because it is prime and its reverse (132312222331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133222213231 - 29 = 133222212719 is a prime.

It is a super-2 number, since 2×1332222132312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133222213196 and 133222213205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133222213237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66611106615 + 66611106616.

It is an arithmetic number, because the mean of its divisors is an integer number (66611106616).

Almost surely, 2133222213231 is an apocalyptic number.

133222213231 is a deficient number, since it is larger than the sum of its proper divisors (1).

133222213231 is an equidigital number, since it uses as much as digits as its factorization.

133222213231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

Adding to 133222213231 its reverse (132312222331), we get a palindrome (265534435562).

The spelling of 133222213231 in words is "one hundred thirty-three billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred thirty-one".