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31222300223 is a prime number
BaseRepresentation
bin11101000100111111…
…100111111000111111
32222120221021012001202
4131010333213320333
51002420402101343
622202054130115
72153501113232
oct350477477077
988527235052
1031222300223
11122721a1304
12607435093b
132c3769697a
141722901419
15c2b0bbdb8
hex744fe7e3f

31222300223 has 2 divisors, whose sum is σ = 31222300224. Its totient is φ = 31222300222.

The previous prime is 31222300217. The next prime is 31222300229. The reversal of 31222300223 is 32200322213.

It is a balanced prime because it is at equal distance from previous prime (31222300217) and next prime (31222300229).

It is an emirp because it is prime and its reverse (32200322213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31222300223 - 220 = 31221251647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31222300195 and 31222300204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31222300229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611150111 + 15611150112.

It is an arithmetic number, because the mean of its divisors is an integer number (15611150112).

Almost surely, 231222300223 is an apocalyptic number.

31222300223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31222300223 is an equidigital number, since it uses as much as digits as its factorization.

31222300223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31222300223 its reverse (32200322213), we get a palindrome (63422622436).

The spelling of 31222300223 in words is "thirty-one billion, two hundred twenty-two million, three hundred thousand, two hundred twenty-three".