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122631334643 is a prime number
BaseRepresentation
bin111001000110101100…
…1011010101011110011
3102201112101111021001002
41302031121122223303
54002122110202033
6132200331032215
711600630100656
oct1621531325363
9381471437032
10122631334643
114800a211854
121b924b9b66b
13b7443ab90c
145d149c389d
1532caec53e8
hex1c8d65aaf3

122631334643 has 2 divisors, whose sum is σ = 122631334644. Its totient is φ = 122631334642.

The previous prime is 122631334633. The next prime is 122631334667. The reversal of 122631334643 is 346433136221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122631334643 - 210 = 122631333619 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 122631334597 and 122631334606.

It is not a weakly prime, because it can be changed into another prime (122631334633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61315667321 + 61315667322.

It is an arithmetic number, because the mean of its divisors is an integer number (61315667322).

Almost surely, 2122631334643 is an apocalyptic number.

122631334643 is a deficient number, since it is larger than the sum of its proper divisors (1).

122631334643 is an equidigital number, since it uses as much as digits as its factorization.

122631334643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 38.

The spelling of 122631334643 in words is "one hundred twenty-two billion, six hundred thirty-one million, three hundred thirty-four thousand, six hundred forty-three".