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1220103142351 is a prime number
BaseRepresentation
bin10001110000010011110…
…100000111101111001111
311022122022002022112221021
4101300103310013233033
5124442232401023401
62332301352415011
7154102202410342
oct21602364075717
94278262275837
101220103142351
11430496463525
1217856a0a7467
138b094466502
14430a63bc459
1521b0ea2c2a1
hex11c13d07bcf

1220103142351 has 2 divisors, whose sum is σ = 1220103142352. Its totient is φ = 1220103142350.

The previous prime is 1220103142337. The next prime is 1220103142417. The reversal of 1220103142351 is 1532413010221.

It is a weak prime.

It is an emirp because it is prime and its reverse (1532413010221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220103142351 - 221 = 1220101045199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220103142151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610051571175 + 610051571176.

It is an arithmetic number, because the mean of its divisors is an integer number (610051571176).

Almost surely, 21220103142351 is an apocalyptic number.

1220103142351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220103142351 is an equidigital number, since it uses as much as digits as its factorization.

1220103142351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1220103142351 its reverse (1532413010221), we get a palindrome (2752516152572).

The spelling of 1220103142351 in words is "one trillion, two hundred twenty billion, one hundred three million, one hundred forty-two thousand, three hundred fifty-one".