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122310203231 is a prime number
BaseRepresentation
bin111000111101001000…
…0011001011101011111
3102200201000020002120002
41301322100121131133
54000442403000411
6132104420044515
711556650400536
oct1617220313537
9380630202502
10122310203231
1147964a14a97
121b85553373b
13b6c29c2728
145cc40ad31d
1532acbe033b
hex1c7a41975f

122310203231 has 2 divisors, whose sum is σ = 122310203232. Its totient is φ = 122310203230.

The previous prime is 122310203219. The next prime is 122310203291. The reversal of 122310203231 is 132302013221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122310203231 - 218 = 122309941087 is a prime.

It is a super-2 number, since 2×1223102032312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122310203291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155101615 + 61155101616.

It is an arithmetic number, because the mean of its divisors is an integer number (61155101616).

Almost surely, 2122310203231 is an apocalyptic number.

122310203231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122310203231 is an equidigital number, since it uses as much as digits as its factorization.

122310203231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122310203231 its reverse (132302013221), we get a palindrome (254612216452).

The spelling of 122310203231 in words is "one hundred twenty-two billion, three hundred ten million, two hundred three thousand, two hundred thirty-one".