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20310213213019 is a prime number
BaseRepresentation
bin1001001111000110101110…
…00010110011101101011011
32122220122012200100111210201
410213203113002303231123
510130230304040304034
6111110214431523031
74164236005564432
oct447432702635533
978818180314721
1020310213213019
116520570966454
122340309389477
13b44325032252
1450303b984119
152534adebc014
hex1278d70b3b5b

20310213213019 has 2 divisors, whose sum is σ = 20310213213020. Its totient is φ = 20310213213018.

The previous prime is 20310213213013. The next prime is 20310213213023. The reversal of 20310213213019 is 91031231201302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20310213213019 - 211 = 20310213210971 is a prime.

It is a super-2 number, since 2×203102132130192 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20310213213013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155106606509 + 10155106606510.

It is an arithmetic number, because the mean of its divisors is an integer number (10155106606510).

Almost surely, 220310213213019 is an apocalyptic number.

20310213213019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310213213019 is an equidigital number, since it uses as much as digits as its factorization.

20310213213019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 20310213213019 in words is "twenty trillion, three hundred ten billion, two hundred thirteen million, two hundred thirteen thousand, nineteen".