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122434231321 is a prime number
BaseRepresentation
bin111001000000110100…
…1100001110000011001
3102201000122121101010001
41302001221201300121
54001221130400241
6132125010253001
711563014536503
oct1620151416031
9381018541101
10122434231321
1147a18a28146
121b88ab87161
13b7125c9c2c
145cd6756d73
1532b8a3e431
hex1c81a61c19

122434231321 has 2 divisors, whose sum is σ = 122434231322. Its totient is φ = 122434231320.

The previous prime is 122434231313. The next prime is 122434231331. The reversal of 122434231321 is 123132434221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120412470025 + 2021761296 = 347005^2 + 44964^2 .

It is a cyclic number.

It is not a de Polignac number, because 122434231321 - 23 = 122434231313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122434231321.

It is not a weakly prime, because it can be changed into another prime (122434231331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61217115660 + 61217115661.

It is an arithmetic number, because the mean of its divisors is an integer number (61217115661).

Almost surely, 2122434231321 is an apocalyptic number.

It is an amenable number.

122434231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122434231321 is an equidigital number, since it uses as much as digits as its factorization.

122434231321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

Adding to 122434231321 its reverse (123132434221), we get a palindrome (245566665542).

The spelling of 122434231321 in words is "one hundred twenty-two billion, four hundred thirty-four million, two hundred thirty-one thousand, three hundred twenty-one".