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20313243211207 is a prime number
BaseRepresentation
bin1001001111001100010111…
…01001010101010111000111
32122220221000211211100220211
410213212023221111113013
510130303010230224312
6111111435231140251
74164404050260412
oct447461351252707
978827024740824
1020313243211207
116521886255991
122340a14074687
13b446b89ba99b
14503248158b79
152535d9ed93a7
hex12798ba555c7

20313243211207 has 2 divisors, whose sum is σ = 20313243211208. Its totient is φ = 20313243211206.

The previous prime is 20313243211187. The next prime is 20313243211223. The reversal of 20313243211207 is 70211234231302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20313243211207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313243215207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156621605603 + 10156621605604.

It is an arithmetic number, because the mean of its divisors is an integer number (10156621605604).

Almost surely, 220313243211207 is an apocalyptic number.

20313243211207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313243211207 is an equidigital number, since it uses as much as digits as its factorization.

20313243211207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 20313243211207 its reverse (70211234231302), we get a palindrome (90524477442509).

The spelling of 20313243211207 in words is "twenty trillion, three hundred thirteen billion, two hundred forty-three million, two hundred eleven thousand, two hundred seven".