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20310002413 is a prime number
BaseRepresentation
bin10010111010100100…
…100000101011101101
31221102102212000121121
4102322210200223231
5313043330034123
613155201500541
71316205113011
oct227244405355
957372760547
1020310002413
118682515468
123b29941751
131bb899840c
14da9540541
157dd0a375d
hex4ba920aed

20310002413 has 2 divisors, whose sum is σ = 20310002414. Its totient is φ = 20310002412.

The previous prime is 20310002407. The next prime is 20310002431. The reversal of 20310002413 is 31420001302.

It is a happy number.

Together with next prime (20310002431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14303442409 + 6006560004 = 119597^2 + 77502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20310002413 is a prime.

It is a super-3 number, since 3×203100024133 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310002473) 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, 10155001206 + 10155001207.

It is an arithmetic number, because the mean of its divisors is an integer number (10155001207).

Almost surely, 220310002413 is an apocalyptic number.

It is an amenable number.

20310002413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310002413 is an equidigital number, since it uses as much as digits as its factorization.

20310002413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20310002413 its reverse (31420001302), we get a palindrome (51730003715).

The spelling of 20310002413 in words is "twenty billion, three hundred ten million, two thousand, four hundred thirteen".