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20323131341 is a prime number
BaseRepresentation
bin10010111011010110…
…100101111111001101
31221110100120001010012
4102323112211333031
5313110210200331
613200351123005
71316424523532
oct227326457715
957410501105
1020323131341
118689972417
123b32213465
131bbb614206
14dab19ad89
157de2e882b
hex4bb5a5fcd

20323131341 has 2 divisors, whose sum is σ = 20323131342. Its totient is φ = 20323131340.

The previous prime is 20323131319. The next prime is 20323131343. The reversal of 20323131341 is 14313132302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19169510116 + 1153621225 = 138454^2 + 33965^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323131341 - 26 = 20323131277 is a prime.

Together with 20323131343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323131343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161565670 + 10161565671.

It is an arithmetic number, because the mean of its divisors is an integer number (10161565671).

Almost surely, 220323131341 is an apocalyptic number.

It is an amenable number.

20323131341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323131341 is an equidigital number, since it uses as much as digits as its factorization.

20323131341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20323131341 its reverse (14313132302), we get a palindrome (34636263643).

The spelling of 20323131341 in words is "twenty billion, three hundred twenty-three million, one hundred thirty-one thousand, three hundred forty-one".