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103202003081 is a prime number
BaseRepresentation
bin110000000011101010…
…0011001100010001001
3100212101022202221201102
41200013110121202021
53142324203044311
6115224345031145
710312304360312
oct1400724314211
9325338687642
10103202003081
113a849927441
12180021854b5
139968cccc18
144dd040b609
152a403d143b
hex1807519889

103202003081 has 2 divisors, whose sum is σ = 103202003082. Its totient is φ = 103202003080.

The previous prime is 103202003059. The next prime is 103202003123. The reversal of 103202003081 is 180300202301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52216363081 + 50985640000 = 228509^2 + 225800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103202003081 is a prime.

It is a super-2 number, since 2×1032020030812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103202003981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51601001540 + 51601001541.

It is an arithmetic number, because the mean of its divisors is an integer number (51601001541).

Almost surely, 2103202003081 is an apocalyptic number.

It is an amenable number.

103202003081 is a deficient number, since it is larger than the sum of its proper divisors (1).

103202003081 is an equidigital number, since it uses as much as digits as its factorization.

103202003081 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 20.

Adding to 103202003081 its reverse (180300202301), we get a palindrome (283502205382).

The spelling of 103202003081 in words is "one hundred three billion, two hundred two million, three thousand, eighty-one".