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312000303103 is a prime number
BaseRepresentation
bin1001000101001001010…
…10101100111111111111
31002211022211121120212121
410202210222230333333
520102434034144403
6355155253143411
731353441550636
oct4424452547777
91084284546777
10312000303103
11110356045675
125057432ab67
132356306b388
141115abdc51d
1581b0e8e3bd
hex48a4aacfff

312000303103 has 2 divisors, whose sum is σ = 312000303104. Its totient is φ = 312000303102.

The previous prime is 312000303101. The next prime is 312000303127. The reversal of 312000303103 is 301303000213.

It is a weak prime.

It is an emirp because it is prime and its reverse (301303000213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312000303103 - 21 = 312000303101 is a prime.

Together with 312000303101, 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 (312000303101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156000151551 + 156000151552.

It is an arithmetic number, because the mean of its divisors is an integer number (156000151552).

Almost surely, 2312000303103 is an apocalyptic number.

312000303103 is a deficient number, since it is larger than the sum of its proper divisors (1).

312000303103 is an equidigital number, since it uses as much as digits as its factorization.

312000303103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 312000303103 its reverse (301303000213), we get a palindrome (613303303316).

The spelling of 312000303103 in words is "three hundred twelve billion, three hundred three thousand, one hundred three".