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122313101791 is a prime number
BaseRepresentation
bin111000111101001101…
…1011101000111011111
3102200201012200100122011
41301322123131013133
54000444123224131
6132105002132051
711560014132256
oct1617233350737
9380635610564
10122313101791
11479666147a1
121b8564b1027
13b6c3498b5a
145cc462579d
1532ad0b40b1
hex1c7a6dd1df

122313101791 has 2 divisors, whose sum is σ = 122313101792. Its totient is φ = 122313101790.

The previous prime is 122313101783. The next prime is 122313101803. The reversal of 122313101791 is 197101313221.

It is a weak prime.

It is an emirp because it is prime and its reverse (197101313221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122313101791 - 23 = 122313101783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122313101741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156550895 + 61156550896.

It is an arithmetic number, because the mean of its divisors is an integer number (61156550896).

Almost surely, 2122313101791 is an apocalyptic number.

122313101791 is a deficient number, since it is larger than the sum of its proper divisors (1).

122313101791 is an equidigital number, since it uses as much as digits as its factorization.

122313101791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 122313101791 in words is "one hundred twenty-two billion, three hundred thirteen million, one hundred one thousand, seven hundred ninety-one".