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122231030197 is a prime number
BaseRepresentation
bin111000111010110001…
…0011000000110110101
3102200111111020200120111
41301311202120012311
54000312120431242
6132052511103021
711554666420423
oct1616542300665
9380444220514
10122231030197
1147924259131
121b832b11a71
13b6ac491893
145cb7780113
1532a5ca1817
hex1c758981b5

122231030197 has 2 divisors, whose sum is σ = 122231030198. Its totient is φ = 122231030196.

The previous prime is 122231030107. The next prime is 122231030213. The reversal of 122231030197 is 791030132221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88359940516 + 33871089681 = 297254^2 + 184041^2 .

It is a cyclic number.

It is not a de Polignac number, because 122231030197 - 27 = 122231030069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122231030107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61115515098 + 61115515099.

It is an arithmetic number, because the mean of its divisors is an integer number (61115515099).

Almost surely, 2122231030197 is an apocalyptic number.

It is an amenable number.

122231030197 is a deficient number, since it is larger than the sum of its proper divisors (1).

122231030197 is an equidigital number, since it uses as much as digits as its factorization.

122231030197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 122231030197 in words is "one hundred twenty-two billion, two hundred thirty-one million, thirty thousand, one hundred ninety-seven".