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32213231231 is a prime number
BaseRepresentation
bin11110000000000011…
…101110011001111111
310002010222212200212012
4132000003232121333
51011433041344411
622444253201435
72220162643016
oct360003563177
9102128780765
1032213231231
1112730590455
1262b019027b
133064a79c8c
1417b836ba7d
15c880ab18b
hex7800ee67f

32213231231 has 2 divisors, whose sum is σ = 32213231232. Its totient is φ = 32213231230.

The previous prime is 32213231209. The next prime is 32213231257. The reversal of 32213231231 is 13213231223.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32213231231 is a prime.

It is a super-2 number, since 2×322132312312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32213231197 and 32213231206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32213231261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106615615 + 16106615616.

It is an arithmetic number, because the mean of its divisors is an integer number (16106615616).

Almost surely, 232213231231 is an apocalyptic number.

32213231231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32213231231 is an equidigital number, since it uses as much as digits as its factorization.

32213231231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 32213231231 its reverse (13213231223), we get a palindrome (45426462454).

The spelling of 32213231231 in words is "thirty-two billion, two hundred thirteen million, two hundred thirty-one thousand, two hundred thirty-one".