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22312330031 is a prime number
BaseRepresentation
bin10100110001111010…
…110010001100101111
32010120222120210201202
4110301322302030233
5331143424030111
614130010400115
71416630450605
oct246172621457
963528523652
1022312330031
11950a801882
1243a843003b
132147779064
141119443875
158a8c75b3b
hex531eb232f

22312330031 has 2 divisors, whose sum is σ = 22312330032. Its totient is φ = 22312330030.

The previous prime is 22312329997. The next prime is 22312330049. The reversal of 22312330031 is 13003321322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22312330031 - 218 = 22312067887 is a prime.

It is a super-3 number, since 3×223123300313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22312329985 and 22312330012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22312336031) 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, 11156165015 + 11156165016.

It is an arithmetic number, because the mean of its divisors is an integer number (11156165016).

Almost surely, 222312330031 is an apocalyptic number.

22312330031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312330031 is an equidigital number, since it uses as much as digits as its factorization.

22312330031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 22312330031 its reverse (13003321322), we get a palindrome (35315651353).

The spelling of 22312330031 in words is "twenty-two billion, three hundred twelve million, three hundred thirty thousand, thirty-one".