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22230123431 is a prime number
BaseRepresentation
bin10100101101000001…
…001100001110100111
32010101020220021110212
4110231001030032213
5331011402422211
614113512410035
71414611634325
oct245501141647
963336807425
1022230123431
11947836383a
1243849a691b
1321337254b9
14110c564d15
158a193838b
hex52d04c3a7

22230123431 has 2 divisors, whose sum is σ = 22230123432. Its totient is φ = 22230123430.

The previous prime is 22230123407. The next prime is 22230123463. The reversal of 22230123431 is 13432103222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22230123431 - 218 = 22229861287 is a prime.

It is a super-2 number, since 2×222301234312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22230123397 and 22230123406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22230123401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115061715 + 11115061716.

It is an arithmetic number, because the mean of its divisors is an integer number (11115061716).

Almost surely, 222230123431 is an apocalyptic number.

22230123431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230123431 is an equidigital number, since it uses as much as digits as its factorization.

22230123431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22230123431 its reverse (13432103222), we get a palindrome (35662226653).

The spelling of 22230123431 in words is "twenty-two billion, two hundred thirty million, one hundred twenty-three thousand, four hundred thirty-one".