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31222202027 is a prime number
BaseRepresentation
bin11101000100111111…
…001111111010101011
32222120221002012100212
4131010333033322223
51002420340431102
622202052051335
72153500224032
oct350477177253
988527065325
1031222202027
1112272134555
126074303b4b
132c37661073
1417228b7719
15c2b09cc52
hex744fcfeab

31222202027 has 2 divisors, whose sum is σ = 31222202028. Its totient is φ = 31222202026.

The previous prime is 31222201999. The next prime is 31222202041. The reversal of 31222202027 is 72020222213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31222202027 - 26 = 31222201963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31222201993 and 31222202011.

It is not a weakly prime, because it can be changed into another prime (31222202527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611101013 + 15611101014.

It is an arithmetic number, because the mean of its divisors is an integer number (15611101014).

Almost surely, 231222202027 is an apocalyptic number.

31222202027 is a deficient number, since it is larger than the sum of its proper divisors (1).

31222202027 is an equidigital number, since it uses as much as digits as its factorization.

31222202027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The spelling of 31222202027 in words is "thirty-one billion, two hundred twenty-two million, two hundred two thousand, twenty-seven".