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30631545103 is a prime number
BaseRepresentation
bin11100100001110010…
…000100100100001111
32221001202122201101111
4130201302010210033
51000213133420403
622023312152451
72133035560135
oct344162044417
987052581344
1030631545103
1111a99788235
125b2a538727
132b72187023
1416a8283755
15be42c856d
hex721c8490f

30631545103 has 2 divisors, whose sum is σ = 30631545104. Its totient is φ = 30631545102.

The previous prime is 30631545101. The next prime is 30631545143. The reversal of 30631545103 is 30154513603.

It is a weak prime.

It is an emirp because it is prime and its reverse (30154513603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30631545103 - 21 = 30631545101 is a prime.

Together with 30631545101, 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 (30631545101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15315772551 + 15315772552.

It is an arithmetic number, because the mean of its divisors is an integer number (15315772552).

Almost surely, 230631545103 is an apocalyptic number.

30631545103 is a deficient number, since it is larger than the sum of its proper divisors (1).

30631545103 is an equidigital number, since it uses as much as digits as its factorization.

30631545103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 30631545103 in words is "thirty billion, six hundred thirty-one million, five hundred forty-five thousand, one hundred three".