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3103002112081 is a prime number
BaseRepresentation
bin101101001001111001010…
…101101011000001010001
3101222122101112220201021011
4231021321111223001101
5401314422020041311
610333255520130521
7440120166522664
oct55117125530121
911878345821234
103103002112081
11a96a80885043
12421471166a41
131967c52b3311
14aa28694d6db
1555ab22dd321
hex2d27956b051

3103002112081 has 2 divisors, whose sum is σ = 3103002112082. Its totient is φ = 3103002112080.

The previous prime is 3103002112079. The next prime is 3103002112087. The reversal of 3103002112081 is 1802112003013.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2359268352081 + 743733760000 = 1535991^2 + 862400^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103002112081 - 21 = 3103002112079 is a prime.

It is a super-2 number, since 2×31030021120812 (a number of 26 digits) contains 22 as substring.

Together with 3103002112079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3103002112087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551501056040 + 1551501056041.

It is an arithmetic number, because the mean of its divisors is an integer number (1551501056041).

Almost surely, 23103002112081 is an apocalyptic number.

It is an amenable number.

3103002112081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103002112081 is an equidigital number, since it uses as much as digits as its factorization.

3103002112081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 3103002112081 its reverse (1802112003013), we get a palindrome (4905114115094).

The spelling of 3103002112081 in words is "three trillion, one hundred three billion, two million, one hundred twelve thousand, eighty-one".