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20313105107 is a prime number
BaseRepresentation
bin10010111010110000…
…010110001011010011
31221102122200122201012
4102322300112023103
5313100123330412
613155352201135
71316243354531
oct227260261323
957378618635
1020313105107
118684244579
123b2a9991ab
131bb9513729
14da9b0b151
157dd4b7c22
hex4bac162d3

20313105107 has 2 divisors, whose sum is σ = 20313105108. Its totient is φ = 20313105106.

The previous prime is 20313104963. The next prime is 20313105179. The reversal of 20313105107 is 70150131302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20313105107 - 222 = 20308910803 is a prime.

It is not a weakly prime, because it can be changed into another prime (20313105607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156552553 + 10156552554.

It is an arithmetic number, because the mean of its divisors is an integer number (10156552554).

Almost surely, 220313105107 is an apocalyptic number.

20313105107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313105107 is an equidigital number, since it uses as much as digits as its factorization.

20313105107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

Adding to 20313105107 its reverse (70150131302), we get a palindrome (90463236409).

The spelling of 20313105107 in words is "twenty billion, three hundred thirteen million, one hundred five thousand, one hundred seven".