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223012222231 is a prime number
BaseRepresentation
bin1100111110110010010…
…0000111010100010111
3210022122002211200211111
43033230210013110113
512123212112102411
6250241141515451
722053310416631
oct3175444072427
9708562750744
10223012222231
1186640649387
123727a412b87
1318050a9a516
14ab18471a51
155c0389a721
hex33ec907517

223012222231 has 2 divisors, whose sum is σ = 223012222232. Its totient is φ = 223012222230.

The previous prime is 223012222229. The next prime is 223012222249. The reversal of 223012222231 is 132222210322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223012222231 - 21 = 223012222229 is a prime.

It is a super-2 number, since 2×2230122222312 (a number of 23 digits) contains 22 as substring.

Together with 223012222229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223012222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111506111115 + 111506111116.

It is an arithmetic number, because the mean of its divisors is an integer number (111506111116).

Almost surely, 2223012222231 is an apocalyptic number.

223012222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223012222231 is an equidigital number, since it uses as much as digits as its factorization.

223012222231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 223012222231 its reverse (132222210322), we get a palindrome (355234432553).

The spelling of 223012222231 in words is "two hundred twenty-three billion, twelve million, two hundred twenty-two thousand, two hundred thirty-one".