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20103100351 is a prime number
BaseRepresentation
bin10010101110001111…
…001111011110111111
31220220000112022100021
4102232033033132333
5312132343202401
613122451113011
71311113351005
oct225617173677
956800468307
1020103100351
118586748924
123a905a2767
131b84b65669
14d89c82a75
157c9d342a1
hex4ae3cf7bf

20103100351 has 2 divisors, whose sum is σ = 20103100352. Its totient is φ = 20103100350.

The previous prime is 20103100349. The next prime is 20103100387. The reversal of 20103100351 is 15300130102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20103100351 - 21 = 20103100349 is a prime.

Together with 20103100349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20103101351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051550175 + 10051550176.

It is an arithmetic number, because the mean of its divisors is an integer number (10051550176).

Almost surely, 220103100351 is an apocalyptic number.

20103100351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103100351 is an equidigital number, since it uses as much as digits as its factorization.

20103100351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 20103100351 its reverse (15300130102), we get a palindrome (35403230453).

The spelling of 20103100351 in words is "twenty billion, one hundred three million, one hundred thousand, three hundred fifty-one".